Lux as seen inKingdom Hearts χ.

Lux (ルクス, Rukusu^?) are particles oflight that appear inKingdom Hearts χ. They are gained by defeatingHeartless and are used to rank players on a weekly basis, resulting in the availability of more prizes, which increase in rarity depending on how much Lux has been collected.

There are several factors that can influence the amount of Lux that is collectable. Every assist card the player uses increases the drop rate of Lux by a small amount; this depends upon the used assist card's level. Each day a number of "Lux Up Time" will occur, and while these periods last, the amount of Lux earned whenPlayer defeats Heartless automatically doubles.

The Lux determines all regular rankings in the game. All Lux collected during the week by Player sets their individual rank while the amount gathered by the wholeUnion sets the Union's place in return. The team that collects the most Lux during the day wins the daily team battle.

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• Kingdom Hearts χ items

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