Beast Boost (Ability)

Beast Boost (Japanese: ビーストブースト Beast Boost) is an Ability introduced in Generation VII. It is shared by all of, and exclusive to, the Ultra Beasts.

In battle
When a Pokémon with Beast Boost directly causes another Pokémon (including allies) to faint by using a damaging move, its highest stat (other than ) is increased by one stage for each Pokémon knocked out by that move execution. If this stat is already at +6 stages, Beast Boost will not activate (not even in the case of a tie of two or more stats).

For determining the highest stat, Beast Boost does not take into account stat stages, held items, or reductions due to status conditions; however, it does consider the effects of, , , , and. In the case of a tie between multiple stats, it increases one stat, prioritized in this order:, , , , and.

If the Pokémon fainting ends the battle, Beast Boost will not activate. Beast Boost activates after the Pokémon gains from. If a Pokémon with Beast Boost defeats a Pokémon with using a contact move, the Pokémon's Ability will become Mummy before Beast Boost has the opportunity to activate.

Outside of battle
Beast Boost has no effect outside of battle.

In other languages
Bestien-Boost Ultraimpulso Boost Chimère Ultraboost ビーストブースト 异兽提升（特性）