Numerous pieces of unused content have been found within the game data ofFire Emblem: Three Houses.

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Early tutorial text

There is unused tutorial text in the game, describing an earlier version of the monastery and its mechanics. Some of the terms used are different than those in the final game. It is probably for a demo version of the game.

Along with the Japanese text, there is fully translated text for English, German, Portuguese, and Italian. However, the French and Spanish translations of this text are unfinished and partially in English. The Spanish translation is almost complete, while the French translation is only about half done.

The following is the English text:

These are followed by several instances of "Sothis Message #", # being 26 through 150. Each number is used twice in a row.

Cut group tasks

Leftover text indicates there were plans for 3 more Group Tasks in the game which were never implemented. None of them specify which skills they would have enhanced.

Trade destinations

There exists in the games files unused flavor text and UI elements relating to "trade destinations", potentially indicating that the traders around the monastery could be sent to specific locations and return with particular items. This text uses early forms of some names, and also references the location of Kupala, which was not mentioned in the game prior to the final wave ofDLC. This text was removed from the files of every language in v1.0.2.

Note: any and all typos and incongruent names are as-written in the game's files.

Hunting expeditions

There remain names and descriptions for activities referred to as "Hunting Expeditions" or "Mounted Training". The descriptions imply that these activities would have provided meat resources, riding experience, and potentially fish resources. They were removed from the game's files in v1.0.2.

Horse raising

Some unused text indicates a horse raising feature was planned to be in the game at one point. As there is little surviving text, it is unknown what it could have entailed.

Combined/Composite classes

A surviving batch of text and an item asset called a "Combined Seal" indicates there was one more class type in the game called "Combined Class" at some point during development.

Beginning log text

Every main story mission in the game contains text for its beginning log, including chapters where it is impossible to see it through normal means, such asAn Inevitable Encounter and every mission from theCindered Shadows DLC.^[1]

Battle dialogue

Formations tutorial in Rivalry of the Houses

InChapter 1, there are some leftover lines from Jeralt in which he mentions the unused "formations" mechanic briefly showcased during E3 2018.^[2]

Diversion tactics in Protecting Garreg Mach

Alternate unused text exists for an alternate take on the fire trap performed by Byleth's faction inChapter 14 of non-Crimson Flower routes, which would have involved luring the enemy to a particular area of the map rather than waiting for an NPC soldier to arrive. The "Catapult" mentioned here is an early translation of theballista element referred asOnager in the finished localization.^[3]

Gwendal's Lance?

ForGwendal's encounters in bothNon-Crimson Flower Chapter 15 andCrimson Flower Chapter 16, there exist unused dialogue where he mentions wielding a lance despite only using axes during battle.^[4][5]

Seteth line in Tempest of Swords and Shields

InChapter 15 of the Crimson Flower route, Seteth has an extra line of dialogue in the script that goes unused for unknown reasons.^[6]

Enemy Lorenz vs Claude in The Rose-Colored River

Unused dialogue indicates thatLorenz would have been able to betrayClaude and be fought as an enemy inChapter 16's story mission, but this scenario was cut from the Verdant Wind version of the chapter.^[7]

The Immaculate One lines in The Fight For Fhirdiad

Chapter 18 of the Crimson Flower route contains short bits of unused dialogue meant forThe Immaculate One. Not only their purpose is unknown, they lack the voice filter used for her lines in this form and the first line is even missing punctuation at the end of the sentence in the Japanese script.^[8]

Enemy Annette and Felix in The King's Triumphant Return

Unused dialogue indicates thatAnnette andFelix would have been able to betrayDimitri and be fought as enemies inAzure Moon Chapter 18, but this scenario was cut from the released version of the game.^[9][10]

Annette

Vs Anyone

Vs Byleth

Vs Mercedes

Vs Gilbert

Felix

Vs Anyone

Vs Byleth

Vs Dimitri

Vs Sylvain

Vs Ingrid

Claude line in Confrontation at the Palace

InChapter 20 of the Verdant Wind Route, Claude has an extra line of dialogue in the script that goes unused for unknown reasons.^[11]

More monster reinforcements in The Final Battle

Unused text strings indicateWhite Beasts may have spawned from the west and east strongholds inSilver Snow Chapter 21 rather than just from the south stronghold; this cannot be seen in the final game.^[12]

10 Elites absorbing damage in For the Freedom of Fódlan

Unused dialogue betweenLeonie and Claude inVerdant Wind Chapter 22 suggests the link between the10 Elites andNemesis would have worked differently at one point (or perhaps worked alongside its current gimmick), as the text alludes the Elites would have redirected Nemesis's received damage towards themselves.^[13]

Defeating commanders in Eternal Guardian

The paralogueEternal Guardian contains alternate lines for when one of the Phantom Generals are defeated.^[14]

Macuil's lightning in The Sleeping Sand Legend

The paralogueThe Sleeping Sand Legend contains unused lines from Claude suggestingMacuil could use lightning at one point in development.^[15]

Duscur Soldier in War for the Weak

Unused lines from a femaleDuscur Soldier exist in the paralogueWar for the Weak, which goes unused as all Duscur units with speaking lines on the map are male.^[16]

Petra rescuing reinforcements in Foreign Land and Sky

In the paralogueForeign Land and Sky, there exist unused lines suggesting an alternate take of the event in whichPetra brings ally reinforcements to the map, which would have made her leave the map briefly for 2 turns before their arrival. Interestingly, not only scripting for this event still exists in all versions of this paralogue, it is also accessible only by an unused unrecruited version of the character.^[17]

Thief line in Oil and Water

The thieves that can escape in the paralogueOil and Water contain an extra line which go unused for unknown reasons.^[18]

Metodey lines in Besieged in the Chapel Ruins

InChapter 5 of Cindered Shadows,Metodey has two extra lines of dialogue that go unused for unknown reasons. Note that the first sentence of the second line here is the same as one of his used lines from this map, although the voice reads are different between them.^[19]

Exploration dialogue

Jeralt reacts to Byleth's Crest of Flames

Jeralt has dialogue meant to be used duringChapter 5's monastery exploration in which he reacts to the news that Byleth bears the Crest of Flames. Because the dialogue and its associated voice lines are overwritten by the ones used by the questA Visit to Jeralt however, it ends up unused.^[20]

• Exploration: Tower of Black Winds

Flayn losing the White Heron Cup

Even though it is impossible forFlayn to lose the White Heron Cup due to joining with 16Charm—which is more than enough to win the contest—there exist both dialogue and event scripting which accounts for such potential loss.^[21]

• Exploration: The Cause of Sorrow

Jeritza in Outset of a Power Struggle

Unused dialogue suggests that after version 1.1.0,Jeritza was at some point considered to appear in the Imperial Fort used forthe Chapter 12 leading into the Crimson Flower route, but his appearance in it was cut for unknown reasons. Do note that his last line of dialogue is meant to be repeated if talked to afterwards.^[22]

• Exploration: Outset of a Power Struggle

Recruiting Jeritza in the Monastery

There are unused dialogue and voice clips from Jeritza (also from version 1.1.0 onwards) which are meant to be used in the event he is recruited manually in the monastery.^[23]

Mourning Lorenz in Blood of the Eagle and Lion

InVerdant Wind Chapter 17's exploration,Hilda,Raphael, andMarianne have unused dialogue where they reminisce and mourn Lorenz after having killed him in the previous story mission, a scenario which is impossible as Lorenz cannot defect during the Verdant Wind route.^[24]

• Exploration: Blood of the Eagle and Lion

Event scenarios

Silver Snow: enemy Caspar and Linhardt in Fort Merceus

The Silver Snow Event "The Death Knight" has a trigger for dialogue fromCaspar andLinhardt if they are unrecruited, similar to the Azure Moon and Verdant Wind counterparts of this event. The dialogue is identical to that in the Verdant Wind variant of the event, but it cannot be seen in the Silver Snow proper.^[25]

Azure Moon: enemy Felix in Fhirdiad

The Azure Moon Event "Home" has a trigger at the end which displays a small scene with Felix preparing to fight Dimitri if he is unrecruited.^[26]

Missing Monica in the end of Black Market Scheme

In the DLC paralogueBlack Market Scheme‎, a piece of Edelgard's dialogue is set to change if the paralogue is being done beforeChapter 6, in which she acknowledgesMonica is still missing, which is impossible to see in-game as the paralogue becomes available fromChapter 7 onwards.^[27]

Support variations

Edelgard and Ferdinand's B-support

While this support is unavailable during the Academy Phase, a trigger exist late in it which slightly modifies Ferdinand's dialogue if the game checks the support is being seen during Part I.^[28]

Claude and Lorenz's B-support

In spite of being unavailable during Part II, one of Claude's lines in the support is set to change should it be seen during the War Phase.^[29]

Death quotes

Playable Hubert and Gilbert (Part II)

Hubert and Gilbert have death quotes as playable characters during the War Phase, which cannot be seen normally as the Crimson Flower and Azure Moon routes render both undeployable instead should their HP reach zero, likely as a result of both characters being vital to their respective stories.^[30][31]

Ally Dedue in Confrontation at the Palace

InChapter 19 of the Silver Snow route and 20 of the Verdant Wind route, Dedue is meant to use a unique death quote should he perish during this chapter, which is never triggered for unknown reasons.^[32]

Ferdinand and Lorenz's Share a Meal dialogue

There exists unused dialogue betweenFerdinand and Lorenz which would have been used when both characters are invited to Share a Meal and have reached A-Support with each other, an impossible feat in the final product as their support chain ends up at B.^[33]

Anna's group task dialogue

TheDLC characterAnna has dialogue recorded for when she does a Group Task alongside a character she has achieved a C-, B-, or A-support with, in spite of lacking any support chains in the game.^[34]

Budding talent quotes

Every playable unit in the game has set lines for when their Budding Talent has been unlocked, including those who do not have a Budding Talent.^[35]

Lecture questions

Gilbert has a written lecture question set for the Academy Phase, which goes unused as he only joins during the War Phase of the Azure Moon route. Likewise, despite Jeritza being the only unit not to ask questions during a lecture, he has placeholder dialogue for one and even responses.^[36][37]

Gilbert

Jeritza

Part I personal history

Both Gilbert and Jeritza (version 1.1.0 onwards) have Personal History written for their profiles in Part I. Through normal means, it is impossible to see it without hacking as both characters become playable only during Part II on the Azure Moon and Crimson Flower routes respectively.

Gilbert

Jeritza

Endings

There are a few unused endings in the game's script. First, a solo ending exists for Gilbert on the Blue Lions route should he be defeated during Part I in Classic Mode, which cannot be seen normally as he joins only in Part II. Second, a paired ending forByleth and Hilda exists in the game's data; this ending was intended for use on the Crimson Flower route, but, as Hilda cannot be recruited in the Black Eagles route unless the player sides with theChurch of Seiros, it cannot be seen in the final game. Finally, a placeholder ending string exists for paired endings.

Gilbert

Byleth, Wings of the Hegemon & Hilda, Free Spirit

Placeholder ending

Monastery texts

Amongst the documents that can be discovered and read around the monastery, there exist some texts that go unused. Some of the text was not translated outside of Japanese, each of which relates to the unused horse raising or trading systems.

Japanese-only texts

Recipes

Terrain types

Text strings indicate many terrain types went unused in the final game.

Names of broken weapons

There exist names for each broken weapon, but they remain unused, as a broken weapon will retain its original name.

Character full names

Some characters have data for middle and last names, but it is never used. Some of these characters' names are used in dialogue, but the data itself is not used.

Roster statuses

A number of characters have unused strings for their status in the roster.

Movie and event titles

The animated movie in which Nemesis awakens in Shambhala's catacombs after clearing the mission "Stand Strong at Shambhala" in the Verdant Wind route cannot be seen on its own, and can only be seen with "The Curse" in the Movie Gallery, which plays the two separate movie files in sequence. Despite this, the scene has a name in the game's internal data which goes unseen:Resurrection (Japanese:復活Resurrection).^[38]

Each of the non-DLCparalogues has two related events—one before battle and one after—which cannot be viewed in the Event Gallery; each of these events has a title: the name of the paralogue appended with "Before Battle" or "After Battle" (e.g. "The Forgotten: Before Battle" or "Retribution: After Battle"). The paralogues added in DLC—Black Market Scheme,A Cursed Relic, andThe Secret Merchant—do not have titles for their related events.

Duplicate Ionius strings

Two sets of Ionius's name exist, but only one is used. Both versions are identical in English, French, German, Spanish, and Italian; but differ in Japanese, Korean, and Chinese, where the unused names utilize Roman numerals while the used names utilize Arabic ones.

Gameplay changes

Prior to the 1.0.2 update, there was unused data pertaining to the Maddening difficulty hidden in the game files, suggesting it was in development earlier, but needed to be polished before release.^[39] Similarly, there is also a scrapped Infernal difficulty in the game's data which is largely unfinished, and would have featured stronger enemies to the ones seen in Maddening.^[40]

Items

Game	Icon	Level	Might	Weight	Hit	Crit	Range	Uses	Worth	WEXP	Other effects and notes
Dark Blutgang		E	13	7	80	0	1	20	0	--	Works asmagical damage. If the user does not have aCrest, deals 10 damage to user after combat.
Ridill		C	11	11	80	0	1–2	50	5,000	--	Works asmagical damage
Sharp Wings		E	9	1	90	5	1	--	--	--	A monster weapon likely meant for the Giant Bird class.
Torch		E	--	--	--	--	1–2	10	--	--	Meant to increase Fog of War vision based on user's Magic stat; non-functional when hacked into a unit's spell list.

Game	Icon	Uses	Worth	Effects and notes
Combined Seal		1	300	Allows a unit to attempt a combined-tier exam
Tomas's Staff		--	10,000	Weight: 0
Grilled Duck	(TBA)	--	300	Matches an unused meal. Has unique values coded for its usage effect, item type, and item icon, but the in-game effects of these are currently unknown.
Fried Boar	(TBA)	--	300	Same as above
Magical Herb Salad	(TBA)	--	300	Same as above
Dried Plums	(TBA)	--	300	Same as above
Pike Casserole	(TBA)	--	300	Same as above
Bear & Vegetable Soup	(TBA)	--	300	Same as above
Fried Gar	(TBA)	--	300	Same as above
Fried Queen Koi	(TBA)	--	300	Same as above
Sculpin Gratin	(TBA)	--	300	Same as above
Grilled Wolverine & Herbs	(TBA)	--	300	Same as above
Grilled Duck +	(TBA)	--	300	Same as above
Fried Boar +	(TBA)	--	300	Same as above

Game	Icon	Uses	Worth	Effects and notes
Minnow fillet		1	--	Likely meant to be used for fishing. Cannot be purchased or sold.
Fresh insect larva		1	--	Likely meant to be used for fishing. Cannot be purchased or sold.
Fresh minnow fillet		1	--	Likely meant to be used for fishing. Cannot be purchased or sold.
Bristle worm		1	--	Rarity: ★
Fresh bristle worm		1	--	Rarity: ★
Premium Pond Snail		1	--	Rarity: ★
Shrimp		1	--	Rarity: ★★
Fiddler Crab		1	--	Rarity: ★★
Premium Shrimp		1	--	Rarity: ★★
Premium Fiddler Crab		1	--	Rarity: ★★
Premium Earthworm		1	--	Rarity: ★★
Pupa		1	--	Rarity: ★★★
Grub		1	--	Rarity: ★★★
Beetle		1	--	Rarity: ★★★
Premium Pupa		1	--	Rarity: ★★★

Game	Icon	Uses	Worth	Effects and notes
tutorial ore		1	0	Likely meant to be used for a tutorial.
Ancient Gar		1	--	Likely meant to be used for cooking. Cannot be purchased or sold.

Game	Icon	Uses	Worth	Effects and notes
Corn		1	--	Likely meant to be used for the scrapped Horse Raising feature. Cannot be purchased or sold.
Apple		1	--	Likely meant to be used for both the scrapped Horse Raising and Trading features. Cannot be purchased or sold.
Sugar Cane		1	--	Likely meant to be used for the scrapped Horse Raising feature. Cannot be purchased or sold.
Barley		1	--	Likely meant to be used for the scrapped Horse Raising feature. Cannot be purchased or sold.
Starter Vegetable		1	0	Likely meant to be used for a tutorial.

Game	Icon	Uses	Worth	Effects and notes
Rabbit		1	--	Likely meant to be used for cooking. Cannot be purchased or sold, and has an unused duplicate with a different description.
Fódlan Pheasant		1	--	Likely meant to be used for cooking. Cannot be purchased or sold, and has an unused duplicate with a different description.
Gronder Fox		1	--	Likely meant to be used for cooking. Cannot be purchased or sold, and has an unused duplicate with a different description.
Boar		1	--	Likely meant to be used for cooking and obtained through the scrapped Hunting Activity. Cannot be purchased or sold.
Grouse		1	--	Likely meant to be used for cooking and obtained through the scrapped Hunting Activity. Cannot be purchased or sold.
Starter Meat		1	0	Likely meant to be used for a tutorial.

Game	Icon	Uses	Worth	Effects and notes
Catherine's Dagger		1	2,000	--
Shamir's Quiver		1	2,000	--
Unlock Trade		1	2,000	Likely meant to be used for the cut quest "Try Trading".
Unlock Report Cards		1	2,000	Likely meant to be used for the cut quest "Unlock Report Cards". Three copies of it exist in the files, possibly one for each house.
Floral Tribute		1	2,000	Likely meant to be used for the quest "Floral Tribute".
Black Eagle Note		1	2,000	--
Blue Lion Note		1	2,000	--
Golden Deer Note		1	2,000	--
Sheet Music (Spring)		1	2,000	Likely meant to be used for the cut quest "Collect Sheet Music".
Sheet Music (Summer)		1	2,000	Same as above.
Sheet Music (Fall)		1	2,000	Same as above.
Sheet Music (Winter)		1	2,000	Same as above.
Growing a Garden		1	2,000	--
Orange		1	2,000	--

Game	Icon	Uses	Worth	Effects and notes
The Big One		1	2,000	Likely meant to be used for the quest "Fishing for the Big One".

Flavor text

Shields

The shields used by armored classes if noshield is equipped are internally considered separate items. While they can be seen in-game, they never appear as formal items:

Game	Icon	Uses	Worth	Effects and notes
Armored Soldier Shield		--	--	Weight: 0 Matches the shield used by theArmored Knight class.
Fortress Soldier Shield		--	--	Weight: 0 Matches the shield used by theFortress Knight class.
Armored Knight Shield		--	--	Weight: 0 Matches the shield used by theGreat Knight class.
Flame Shield		--	--	Weight: 0 Matches the shield used by theFlame Emperor class.
Emperor Shield		--	--	Weight: 0 Matches the shield used by theArmored Lord andEmperor classes.

Graphics

Class sprites

	Several characters have sets of personalized class sprites for their playable appearance in Part II left unused in the finished game as they use generic map sprites instead.
	Hanneman has unused class sprites depicting him as aWarlock. While he can access this class in-game, it uses a different and more generic sprite instead.
	Jeralt also has class sprites depicting him as aCommoner and a playablePaladin despite only appearing as aNPC Paladin.
	TheFlame Emperor, enemyDeath Knight andKing of Liberation classes have class sprites for playable versions despite being enemy/NPC-exclusive. This goes in line with recentFire Emblem games as they feature by default pre-colored class sprites for every possible allegiance rather than reusing one set of sprites that is recolored during gameplay.
	Dimitri andRhea have unique class sprites depicting them as enemies in theGreat Lord andSaint classes respectively for the Crimson Flower route; in-game, Dimitri uses the same set of sprites he uses on all other routes while Rhea uses theArchbishop sprite for said class.
	Class sprites for generic NPCs with theDancer class can be found among the other sprites. Interestingly, even though male and female sprites exist, only the latter have portrait graphics to match in the game's files.
	The Wave 4 DLC added sprites for generic NPC characters using theTrickster,War Monk &Cleric,Valkyrie andDark Flier Classes. As only NPC male Trickster and Valkyries are used, the sprites for the female Trickster, War Monk, War Cleric and Dark Flier go unused.

Icons

	Among the many banners used to indicate unit affiliations lies the flag used byMiklan and his thieves, which goes unused as his army uses the generic enemy icon instead.
	Severalbattalion item sprites are left unused due to no Battalion using them.
	SeveralItems sprites variants are left unused due to no item being assigned to the belonging category, primarily Agarthan variants.
	Item sprite variants also exist forwhite magic,black magic anddark magic spells despite none of them being used.
	Sprites used to denote a monster's weakness also exist forbrawling,white magic,black magic anddark magic spells despite none of them being used.
	Three icons meant for skills exist within the game's files, which are never displayed by any skill—both used and unused—in the game.
	Sprites meant to denote 4 and 5 levels of battalion endurance can be found among other sprites. In the final release, all battalions have a maximum level endurance of 3.
	There are also 2 icons meant for unique types of items which are ultimately left unused.
	The icons used for storehouse items contain 6 sprites which go unused. The last two appear to be related to cooking.
	Among the icons used for instruction modifiers, these 2 ultimately go unused.
	A button with a camera icon can be found among the sprites shown during battle animations.
	Among battle UI graphics is present this icon saying "BREAK" in all caps.
	These 2 icons present between monastery UI graphics read "Chance Time" and "Bonus!!!", whose purpose is unknown.
	The icon meant to be used when choosing the scrapped Infernal difficulty is still present amidst the Title Screen UI graphics.

Portraits

	Like previous games,Three Houses has a blank placeholder portrait. The small version of the portrait is used in-game by activeViskam in Zoom View.
	Dimitri's set of portraits for the Crimson Flower route contains one in which he's blushing, which is never used in the game.
	Many non-playable characters have portraits for various kinds of expressions that go unused.
	TheWave 4 DLC added portraits for the generic NPC Trickster, War Monk/Cleric, Valkyrie and Dark Flier classes, some of which cannot be seen in normal gameplay as no NPC character ever uses them.

S-support illustrations

Seteth,Flayn,Catherine andCyril each have a variation of their S-support illustrations depictingByleth with darker hair, as seen at the end of the Crimson Flower route; the illustrations are left unused as Flayn leaves the party and the other characters cannot be recruited in Crimson Flower.

• 

  Seteth's unused S-support illustration.

• 

  Flayn's unused S-support illustration.

• 

  Catherine's unused S-support illustration.

• 

  Cyril's unused S-support illustration.

Part II murals

Part II illustrations for the Horsebow, Wyvern, Red Wolf and Ethereal Moon murals are also left unused, given three of these months are never visited in any route during Part II and Ethereal Moon uses a unique new mural for the War Phase instead.

• 

  Part II's Horsebow Moon mural.

• 

  Part II's Wyvern Moon mural.

• 

  Part II's Red Wolf Moon mural.

• 

  Part II's alternate Ethereal Moon mural.

Other

	Placeholder for small and large CG images also exist within the files, as well for the murals used during the Academy Phase. Interestingly, the second one seems to show an adult Sothis standing in Zanado as opposed to the hooded figure seen in the used variation of the CG, which can also be seen for a few seconds at the end of the cutscene "Revenge".
	This CG image containing a small chest never gets used anywhere in the game.
	Placeholder CGs displaying Edelgard, Dimitri and Claude along with their house's flag. While these files are called for the story event "A Pair of Professors", in-game, they're replaced with unique CGs created in-engine with the game's assets.[41]
	Icons for the three scrapped Group Tasks can still be found among the game's files.

Skills

Several unused skills are present in the game's code.

Icon	Skill name	Effect	Activation	Description	Notes
	Fistbreaker	+20hit andavoid when activated.	If the target isbrawling equipped and the user has abow equipped	Grants Hit/Avo +20 when using a bow against brawlers.	While linked to a Bow skill level of B in the files, it is inaccessible in gameplay.
	White Magic Critical +10	+10critical rate when active.	If user haswhite magic equipped	When using white magic, Grants Crit +10 .[sic]	--
	Dark Magic Critical +10	+10critical rate when active.	If user hasdark magic equipped	When using dark magic, Grants Crit +10 .[sic]	--
	Lance Avoid +20	+20Avoid when active.	If user has alance equipped	When using a lance, Grants Avo +20 .[sic]	--
	Infantry Effect Null	Negatesbonus damage targeting infantry units.	--	Cancels effectiveness against infantry units.	--
	Dragon Effect Null	Negatesbonus damage targeting dragon units.	--	Cancels effectiveness against dragons.	--
	Effect Null	Negates allbonus damage against the unit.	--	Cancels all types of effectiveness.	--
	Black Magic Uses x4	Multiplies themaximum uses of all of the unit'sblack magic spells by ×4.	--	--	--
	White Magic Uses x4	Multiplies themaximum uses of all of the unit'swhite magic spells by ×4.	--	--	--
--	Air of Intimidation	Negates allbonus damage against the unit.	--	--	Does not appear to be activatable.
--	Path of the Conqueror	--	--	--	Does not appear to have any in-game effects.
	Discipline	Doublesskill experience gain.	--	Doubles skill experience earned in battle.	Same effect, description, and icon asMastermind.
	Missing Number	--	--	Missing Number	A dummy skill that does not appear to have any in-game effects. It uses a slightly modified icon of theWary Fighter skill found in other games.

Crests

There are two unused Crests in the game's code.

Additionally, all Crests which only appear in their Major forms in the final game have fully-functional Minor versions leftover in the code as well.

Battalions

Several unused battalions are present in the game's code.

Icon	Battalion name	Gambit	Description	Notes
	Ancient Cavalry	Assault Troop	Long-dead cavalry, revived with the power of ancient technology.	Internally assigned to the enemyPaladins inVerdant Wind Chapter 22, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Ancient Sorcerers	Resonant Flames	Long-dead magic users, revived with the power of ancient technology.	--
	Ancient Wyvern Co.	Lure	Long-dead wyvern riders, revived with the power of ancient technology.	Internally assigned to the enemyWyvern Lords in Verdant Wind Chapter 22, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Bandit Pegasus Corps	Disturbance	A battalion of pegasus-riding bandits.	--
	Cliff Bandit Marksmen	Disturbance	Cliff bandits skilled with bows.	--
	Dark Wyvern Co.	Disturbance	Wyvern riders who accompany those who slither in the dark.	Internally assigned to the enemyFalcon Knights and Wyvern Lords inSilver Snow Chapter 20/Verdant Wind Chapter 21, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Dominic Cavalry	Assault Troop	An order of knights belonging to House Dominic.	--
	Duscur Infantry	Onslaught	Proud warriors of Duscur, fighting to reclaim what was lost.	Identical name and description to a used battalion; otherwise distinct.
	Enhanced Heavy Co.	Group Lance Attack	Armored infantry, revived and enhanced with the power of ancient technology.	--
	Enhanced Sorcerers	Resonant Lightning	Once-dead magic users, revived and enhanced with the power of ancient technology.	--
	Enhanced Wyvern Co.	Poison Tactic	Once-dead wyvern riders, revived and enhanced with the power of ancient technology.	Internally assigned toFraldarius andDominic in Verdant Wind Chapter 22, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Mysterious Magic Corps	Group Flames	Magic users of unknown identity.	--
	Pirate Marksmen	Disturbance	Pirates skilled with bows.	--
	Pirate Pegasus Corps	Disturbance	A battalion of pegasus-riding pirates.	--
	Rampaging Villagers	Disturbance	Villagers who have somehow lost their minds to an unexplained frenzy.	Internally assigned to theberserk villagers inChapter 8, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Thief Marksmen	Disturbance	Thieves skilled with bows.	Internally assigned to the enemyArchers inChapter 2, but as these enemies are set to not use battalions, it goes unseen in the final game.
	Thief Pegasus Corps	Disturbance	A battalion of pegasus-riding thieves.	Internally assigned to the enemyPegasus Knights,Wyvern Riders, andSwordmasters inCindered Shadows Chapter 1,Chapter 2, andChapter 4, but as these enemies are set to not use battalions, it goes unseen in the final game.
	West Church Archers	Fusillade	Archers devoted to the Western Church.	--
	West Church Knights	Disturbance	Secretive order of knights dedicated to the Western Church.	--
	West Church Pegasus Co.	Disturbance	A battalion of pegasus knights loaned to the Western Church by a noble.	Internally assigned to the enemy Pegasus Knights in the Western Church Suppression auxiliary map, but as these enemies are set to not use battalions, it goes unseen in the final game.

Gambit

Game	Icon	Might	Hit	Range	Uses	Area of effect	Other effects and notes
Bag of Tricks		--	100	1	3		Sets the gambituses of all allies within its area of effect to 0.

Other leftovers

Death Knight Mastery Skill (Enemy/NPC)

The Death Knight class used by Jeritza as an enemy is the only NPC-exclusive class in the game with an assigned Mastery Skill;Heartseeker.^[42] In spite of this, due to all NPC-only classes being assigned a default value of 0 Exp required to unlock their Mastery Skill, it's impossible to see this without hacking.

Game	Skill	Learning conditions
	Heartseeker	Class mastery. (0 class Exp required)

Skill sets for generic enemies

Four of the game's classes contain skill set data for generic enemies which go unused, as either no enemies use the class, or the enemies that do use unique skill sets instead.^[43]

Class	Hard skills	Maddening skills	Notes
Pegasus Knight (Intermediate variant)	Lance Prowess Lv 2	Lance Prowess Lv 4 Swordbreaker+ Weight -3	All enemy Pegasus Knights use the Advanced variant of the class, not the Intermediate version available to the player.
Dancer	Alert Stance	Alert Stance+	There are no enemy Dancers.
Paladin (Prologue & Chapter 3 variant)	Lance Prowess Lv 3 Swordbreaker+ Weight -3		Lonato inChapter 3 uses a specific skill set.
Fortress Knight (Chapter 5 variant)	Axe Prowess Lv 3	Axe Prowess Lv 3 Armored Blow Defiant Def	The Fortress Knights inChapter 5 use a specific skill set.

More defecting Black Eagles on Silver Snow?

Caspar and Linhardt accompanying the Death Knight in the Silver Snow route, an impossible feat in the final game.

In the Silver Snow route, there is evidence suggesting anyBlack Eagle student who had fallen during Part I on Classic Mode would have been able to defect and return as an enemy in Part II at one point in development (withBernadetta going missing instead, as no chapter during the route is coded to feature her). For starters, in Silver Snow'sChapter 13,Edelgard will claim some of her former classmates joined her side after the timeskip if any Black Eagle happened to meet the previously described criteria.^[44] Moreover, not only the Black Eagles are coded to replace generic Imperial Generals during specific chapters if the game considers them unrecruited (and would have shared their enemy data with Verdant Wind),^[45] the event "The Death Knight" for Silver Snow also contains an unused trigger which makes bothCaspar andLinhardt appear next to the Death Knight if they're unrecruited, similar to the Azure Moon and Verdant Wind's version of the event.

Unused Monastery quest voice clips

Monica,Fleche,Judith,Rodrigue,Tomas,Ladislava andSothis have unused voiced lines for monastery quests, suggesting all seven characters were meant to have more interactivity during monastery exploration at one point in development.

Unused NPC battle voice clips

Voice clips for generic and important NPCs triggering a Gambit Boost exist in the game's files, a feature which is normally only available for playable units. Likewise, all generic and important NPCs have voiced death screams, including characters like Miklan andKronya whose voice clips are never used in the game proper.

Byleth orders to spare/kill?

In situations where the game offers the option of killing or sparing/persuading some characters, there also exist unused text in which Byleth orders the army through in-game dialogue to follow the picked choice. The scrapped dialogue is the most complete structure-wise when deciding Claude's fate in the Crimson Flower route, as Byleth is set to say "We must kill him" or "We must let him go" depending on the prompt chosen. Meanwhile, inAshe's, Lorenz's, andLysithea's cases, Byleth simply repeats the text used by the choice prompt in their dialogue box instead.

Placeholder event data

There are 26 slots with placeholder event data in the game which are for the most part empty. The first ten are located between the Crimson Flower events and Paralogue-exclusive events, while the rest are located between the Paralogue events and those used for the Cindered Shadows DLC storyline.

Placeholder Monastery exploration data

Multiple unused slots for monastery exploration script exist within Three Houses. Between the Silver Snow and Azure Moon routes, there is one empty slot with no data, and after Verdant Wind's exploration data, there are 38 placeholder slots. Interestingly, one of them contains recycled conversations with Hanneman, Manuela and Tomas fromChapter 1 before one of the titular Three Houses are chosen.^[46]

Unused recruitment requirements

TheAshen Wolves and Anna contain in the game's data recruitment requirements similar to the ones needed by other recruitable characters; in-game, the Ashen Wolves' availability for recruitment depends only on the completion of specific chapters ofCindered Shadows, and Anna has no requirements for recruitment.

Yuri's unused recruitment requirements[47]
Support level	Dexterity	Faith level
None	15	C

Balthus's unused recruitment requirements[48]
Support level	Strength	Brawling level
None	15	C

Constance's unused recruitment requirements[49]
Support level	Magic	Flying level
None	15	D

Hapi's unused recruitment requirements[50]
Support level	Resistance	Riding level
None	10	C

Anna's unused recruitment requirements[51]
Support level	Strength	Faith level
None	10	C

More allied characters for paralogues

For the paraloguesThe Forgotten,The Face Beneath,Weathervanes of Fódlan,Darkness Beneath the Earth,Retribution,Legend of the Lake, Foreign Land and Sky,Forgotten Hero, andDividing the World, data exists for allied characters who are required in their paralogue but have not been recruited yet, similar to many Part I paralogues in which the player can temporarily use an allied version of a required unit for it.^[52]

Unused student replacements for Battle of the Eagle and Lion and To War at Gronder

For theBlack Eagles version of the Battle of the Eagle and Lion, there is data of an Alliance General replacement meant for Hilda if she had been recruited at that point;^[53] in the final game, she can be recruited only in theChapter 12 if Byleth sides against Edelgard. Similarly, a Kingdom General replacement exists for Dedue in both thefirst andsecond Gronder Field story battles of the Golden Deer route, in spite of the character being exclusive to Blue Lions.^[54]

Deployment slots for Edelgard and Dimitri in Stand Strong at Shambhala

Unused deployment slots for bothEdelgard andDimitri exist for the missionStand Strong at Shambhala, which are located on the same spot used by Claude on his route. In the final game, this mission is never visited during Edelgard and Dimitri's routes.^[55]

Characters

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Playable Sothis, Jeralt, and Rhea data

Sothis,Jeralt, andRhea each have fully programmed base stats, growth rates, and stat caps, as well combat, critical hit and level up quotes for when they are being deployed during battle,^[56] with Jeralt in particular also having a second set of victory and critical hit quotes;^[57] Jeralt and Rhea both have programmed spell lists, but Sothis does not. Jeralt and Rhea also have data forTea Party, though Rhea's was implemented in version 1.2.0 of the game, which added a quest inChapter 5 that allows the player to invite her to a Tea Party.

Commoner Level 1 Movement 4 Crest

Recruitment: None. Unavailable without hacking. Base StatsGrowth RatesMax Stats Max HP 26 Luck 8 Strength 6 Defense 6 Magic 12 Resistance 10 Dexterity 6 Charm 10 Speed 6 Max HP 35% Luck 65% Strength 30% Defense 30% Magic 65% Resistance 60% Dexterity 40% Charm 70% Speed 40% Max HP 71 Luck 89 Strength 43 Defense 43 Magic 93 Resistance 85 Dexterity 56 Charm 99 Speed 56 {{{content4}}} {{{content5}}} {{{content6}}} {{{content7}}} {{{content8}}} {{{content9}}} {{{content10}}} {{{content11}}} {{{content12}}} {{{content13}}} {{{content14}}} {{{content15}}}

Inventory Abilities -- -- Combat arts Spells Battalion -- -- -- Skill Levels E E E E E E E E E E E -- -- -- -- -- -- -- -- -- -- --

Commoner Level 1 Movement 4 Crest

Recruitment: None. Unavailable without hacking. Base StatsGrowth RatesMax Stats Max HP 29 Luck 5 Strength 8 Defense 6 Magic 4 Resistance 5 Dexterity 6 Charm 6 Speed 4 Max HP 50% Luck 25% Strength 45% Defense 35% Magic 20% Resistance 35% Dexterity 45% Charm 35% Speed 40% Max HP 94 Luck 40 Strength 64 Defense 49 Magic 30 Resistance 48 Dexterity 62 Charm 49 Speed 54 {{{content4}}} {{{content5}}} {{{content6}}} {{{content7}}} {{{content8}}} {{{content9}}} {{{content10}}} {{{content11}}} {{{content12}}} {{{content13}}} {{{content14}}} {{{content15}}}

Inventory Abilities -- -- Combat arts Spells Battalion -- -- -- Skill Levels C B E E E E E C E B E -- -- -- -- -- -- --

Commoner Level 1 Movement 4 Crest

Recruitment: None. Unavailable without hacking. Base StatsGrowth RatesMax Stats Max HP 28 Luck 6 Strength 9 Defense 6 Magic 9 Resistance 10 Dexterity 6 Charm 10 Speed 6 Max HP 45% Luck 40% Strength 35% Defense 30% Magic 45% Resistance 40% Dexterity 40% Charm 70% Speed 40% Max HP 86 Luck 56 Strength 52 Defense 43 Magic 65 Resistance 60 Dexterity 56 Charm 97 Speed 56 {{{content4}}} {{{content5}}} {{{content6}}} {{{content7}}} {{{content8}}} {{{content9}}} {{{content10}}} {{{content11}}} {{{content12}}} {{{content13}}} {{{content14}}} {{{content15}}}

Inventory Abilities -- -- Combat arts Spells Battalion -- -- -- Skill Levels B E E E E B B C E E E -- -- -- -- -- -- -- -- --

Spell lists

Jeralt

Spell	Learned at
Heal	D
Nosferatu	D+
Recover	C

Rhea

Spell	Learned at
Fire	E+
Bolganone	D
Ragnarok	A
Agnea's Arrow	A
Heal	D
Nosferatu	D+
Recover	C

Unused monastery NPCs

Near the character IDs of the NPCs that manage monastery facilities lie three unused characters: the "Stable Hand", the "Trader", and the "Certification Proctor". Surrounding data suggests the Stable Hand and the Trader would have managed the scrapped Horse Raising and Trading features respectively, while the Certification Proctor would have allowed characters to take certifications exams in the monastery at one point in development. Location-wise, leftover unit data indicates the Stable Hand would have been found in the Stables, the Trader in the Marketplace, and Certification Proctor outside of the Officers Academy classrooms.^[58]

• 

  Stable Hand's portrait.

• 

  Trader's portrait.

• 

  Certification Proctor's portrait.

Count Galatea

Ingrid's father,Count Galatea (Japanese:ガラテア伯Count Galatea), has a reserved character slot with barely any data assigned to it besides his name. He is not strictly unused, as in Byleth and Ingrid's B support, his character ID is called during the scene in which Ingrid reads a letter from him in the event script that handles displaying the letter's contents. As the parameters called have no visible effect in gameplay, his name goes unseen during the support.^[59]

Unused Agarthan

There exists an unused member ofthose who slither in the dark calledCleobulus (Japanese:クレオブロスCleobulus) in the character data. They use a placeholder portrait, have theWarlock class, and bearAgarthan Technology as their personal ability like most important members.^[60] Their location in the data suggests they would have been fought inSilver Snow Chapter 20/Verdant Wind Chapter 21.^[61]

Three Hopes later used the name "Cleobulus", where it instead referred to the Agarthan agent impersonatingCornelia. As such, it does not appear that Cleobulus is another character, rather another name for an existing one.

Cleobulus

Warlock Level 1 Movement 4 Crest --

Recruitment: None. Unavailable without hacking. Base StatsGrowth RatesMax Stats Max HP 25 Luck 5 Strength 5 Defense 6 Magic 6 Resistance 3 Dexterity 6 Charm 4 Speed 4 Max HP 35% Luck 30% Strength 30% Defense 25% Magic 30% Resistance 25% Dexterity 35% Charm 40% Speed 55% Max HP 99 Luck 99 Strength 99 Defense 99 Magic 99 Resistance 99 Dexterity 99 Charm 99 Speed 99 {{{content4}}} {{{content5}}} {{{content6}}} {{{content7}}} {{{content8}}} {{{content9}}} {{{content10}}} {{{content11}}} {{{content12}}} {{{content13}}} {{{content14}}} {{{content15}}}

Inventory Abilities -- Agarthan Technology Black Tomefaire Black Magic Uses x2 Combat arts Spells Battalion -- -- -- Skill Levels E E E E E E E E E E E -- -- -- -- -- -- -- -- -- -- --

Unused DLC character

The v1.1.0 update forThree Houses, besides makingAnna andJeritza playable and adding preliminary data for theAshen Wolves andAelfric, added a new unknown character which was never properly finished. Unused data reveals said character is a 17 year old girl with theCommoner class, her birthday is January 1, her base stats and growths are identical toFerdinand's, and she uses voice clips that are absent in the final update; no name was ever set. Some of her data changed throughout updates; in version 1.1.0, she was affiliated with theAdrestian Empire and had aMinor Crest of Cichol; in version 1.2.0, her affiliation changed to theChurch of Seiros and her Crest changed into a MajorCrest of Flames.^[62]

Other - Linked Attacks

In the game's code,Bernadetta andDorothea have increasedLinked Attack bonuses with Marianne and Hilda respectively. In the final game, neither pair is able to use the stronger Linked Attack as they cannot support with each other.

Classes

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Unused monster classes

At the very end of the class list (sans DLC and placeholder slots) and, along with the various other monster classes, there are entries listed for three unusedmonster classes:King of Beasts (Japanese:獣の王King of Beasts),King of Fangs (Japanese:牙の王King of Fangs), andKing of Wings (Japanese:翼の王King of Wings). Given that in auxiliary maps containing a red exclamation icon, it is possible to find a specificWild Demonic Beast,Giant Wolf orGiant Bird bearing these names respectively, these classes may have been planned to be used by them instead.

The classes appear to have assigned data identical to their used counterparts sans their innate skills, are fully functional, and they were provided unique names and descriptions.^[63]

Maps

Unused Gronder Field and Fort Merceus (War Phase)

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There are unused variations for bothTo War at Gronder andTaking Fort Merceus, seemingly meant for a potential Chapter 17 and 18 respectively, and both of their beginning logs are shared with the used variations of these missions, with the Fort Merceus map particularly reusing the log from the Silver Snow and Verdant Wind routes.^[64][65] The maps have identical spawn data, consisting only of a few generic NPCs for the Black Eagles version while the other routes were left empty.^[66]

Debug map

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References

Fire Emblem: Three Houses

Playable characters Black Eagles Bernadetta •Caspar •Dorothea •Edelgard •Ferdinand •Hubert •Linhardt •Petra Blue Lions Annette •Ashe •Dedue •Dimitri •Felix •Ingrid •Mercedes •Sylvain Golden Deer Claude •Hilda •Ignatz •Leonie •Lorenz •Lysithea •Marianne •Raphael Other Alois •AnnaDLC •Byleth •Catherine •Cyril •Flayn •Gilbert •Hanneman •Jeritza •Manuela •Seteth •Shamir Ashen WolvesDLC Balthus •Constance •Hapi •Yuri Non-playable characters AbysskeeperDLC •Duke Aegir •Fleche •Gatekeeper •Duke Gerth •Ionius IX •Jeralt •Judith •Ladislava •Nader •Randolph •Rhea •Rodrigue •Sothis Bosses Acheron •AelfricDLC •Alois •Lord Arundel •Bias •Blaiddyd •Caspar •Catherine •Charon •Chilon •Claude •Cornelia •Daphnel •Dedue •Death Knight •Dimitri •Dominic •Baron Dominic •Edelgard •Felix •Ferdinand •Flame Emperor •Flayn •Fraldarius •Gautier •Gloucester •Goneril •Gwendal •Hubert •Ingrid •The Immaculate One •The Immovable •Judith •Kostas •Kronya •Ladislava •Lamine •Linhardt •Lonato •Lorenz •Mercedes •Metodey •Miklan •Myson •Nader •Nemesis •Baron OchsDLC •Odesse •Pallardó •Pittacus •Randolph •Rhea •Riegan •Rodrigue •Seteth •Shamir •Solon •Sylvain •Thales •Wandering Beast •The Wind Caller Background characters Lord Arundel •Count Bergliez •Cornelia •Margrave Gautier •Glenn •Count Gloucester •Count Hevring •Holst •Lambert •Monica •Patricia •Rufus •Seiros •Sitri •Tomas •Tiana •Count Varley Personal weapons and regalia Aegis Shield •Areadbhar •Asclepius •Athame •Axe of Ukonvasara •Aymr •Blutgang •Caduceus Staff •Circe Staff •Crusher •Failnaught •Fetters of Dromi •Freikugel •The Inexhaustible •Lance of Ruin •Lúin •Ochain Shield •Rafail Gem •Scythe of Sariel •Seiros Shield •Spear of Assal •Sword of Begalta •Sword of Moralta •Sword of Seiros •Sword of the Creator •Tathlum Bow •Thunderbrand •Thyrsus •Vajra-Mushti Chapters Part I P:An Inevitable Encounter • 1:Three Houses • 2:Familiar Scenery • 3:Mutiny in the Mist • 4:The Goddess's Rite of Rebirth • 5:Tower of Black Winds • 6:Rumors of a Reaper • 7:Field of the Eagle and Lion • 8:The Flame in the Darkness • 9:The Cause of Sorrow • 10:Where the Goddess Dwells • 11:Throne of Knowledge • 12:To War /Outset of a Power Struggle Part II Silver Snow 13:Reunion at Dawn • 14:A King Without a Kingdom • 15:Valley of Torment • 16:The Rose-Colored River • 17:The Impregnable Fortress • 18:The Chaos of War • 19:Conclusion of the Crossing Roads • 20:The City Without Light • 21:Following a Dream Azure Moon 13:Reunion at Dawn • 14:The Delusional Prince • 15:Valley of Torment • 16:The Rose-Colored River • 17:Blood of the Eagle and Lion • 18:The King's Triumphant Return • 19:The Golden Deer's Plea • 20:The Impregnable Fortress • 21:Our Chosen Paths • 22:Oath of the Dagger Verdant Wind 13:Reunion at Dawn • 14:The Alliance Leader's Ambitions • 15:Valley of Torment • 16:The Rose-Colored River • 17:Blood of the Eagle and Lion • 18:The Golden Scheme • 19:The Chaos of War • 20:Conclusion of the Crossing Roads • 21:The City Without Light • 22:Fódlan's New Dawn Crimson Flower 13:Beyond Escape • 14:The Master Tactician • 15:Tempest of Swords and Shields • 16:Lady of Deceit • 17:Field of Revenge • 18:To the End of a Dream Paralogues Part I Black Market SchemeDLC •A Cursed RelicDLC •Death Toll •Dividing the World •Falling Short of Heaven •The Forgotten •Land of the Golden Deer •An Ocean View •Oil and Water •Rumored Nuptials •The Secret MerchantDLC •Sword and Shield of Seiros •Tales of the Red Canyon •True Chivalry •War for the Weak Part II Darkness Beneath the Earth •Dividing the World •Eternal Guardian •The Face Beneath •Foreign Land and Sky •Forgotten Hero •Insurmountable •Legend of the Lake •Retribution •The Secret MerchantDLC •The Silver Maiden •The Sleeping Sand Legend •Weathervanes of Fódlan Cindered Shadows 1:The Fourth House • 2:What Lies Beneath • 3:The Rite of Rising • 4:Danger in the Dark • 5:Betrayal • 6:Return to Me • 7:Wolf Pack Locations Fódlan •Adrestia •Faerghus •Garreg Mach Monastery (Abyss) •Leicester •Almyra •Brigid •Dagda •Sreng •Zahras Groups, objects and concepts 10 Elites •Ashen Wolves •Black Eagles (Black Eagle Strike Force) •Blue Lions •Calendar •Children of the Goddess •Church of Seiros (Knights of Seiros) •Crests (Crest Stone) •Divine Pulse •Golden Deer •Heroes' Relics •Insurrection of the Seven •Monsters •Those who slither in the dark •Tragedy of Duscur •War of Heroes Lists Abilities •Chapters •Characters •Classes (Class change) •Hidden treasure •Items (Monastery items) •Quests •Scripts •Supports •Weapons Related topics Class mastery •Downloadable content •Movie Gallery •Music Library •Name chart • Other games (Warriors: Three Hopes) •Pre-release information (Unused content) •Timeline