If held by anAbomasnow, the Abomasite allows it toMega Evolve into Mega Abomasnow if itsTrainer has aKey Stone. A Trainer can only Mega Evolve one Pokémon per battle (or only have one Mega-Evolved Pokémon at any given momentZA).
As aMega Stone, it is unaffected by item-negating effects (such asEmbargo andKlutz). Item-manipulating effects (such asTrick andFling) cannot give or remove an Abomasite from Abomasnow.
Outside of battle
If held by an Abomasnow, the Abomasite allows it to Mega Evolve into Mega Abomasnow when it performs aSpectacular Talent during aPokémon Contest Spectacular if its Trainer has a Key Stone. Abomasnow will remain a Mega Abomasnow until theTalent Round ends.
The player can obtain the Abomasite by defeating Mega Abomasnow in Stage 620 found onZaffiro Coast.
The Abomasite was also available as a prize during the Mega Abomasnowcompetitive stage. This competitive stage ran on the Nintendo 3DS version from February 9 to 16, 2016; May 31 to June 7, 2016, and December 6 to 13, 2016. It ran on the Pokémon Shuffle Mobile from May 31 to June 7, 2016; and December 6 to 13, 2016.
The Abomasite enables the following Mega Evolutions:
An Abomasite appeared inA Real Icebreaker!, worn byWulfric's Abomasnow. TheFrost Tree Pokémon wears its Mega Stone on its chest, revealing it only when it was about to Mega Evolve. Wulfric used it duringAsh'srematch against him, in which it battledGreninja.