Beast Boost (Ability)

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Beast Boost ビーストブースト
Beast Boost
Flavor text
Generation VII
The Pokémon boosts its most proficient stat each time it knocks out a Pokémon.

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 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 HP) is increased by one stage. 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 Power Split, Guard Split, Power Trick, Wonder Room, and Speed Swap. In the case of a tie between multiple stats, it increases one stat, prioritized in this order: Attack, Defense, Special Attack, Special Defense, and Speed.

If the Pokémon fainting ends the battle, Beast Boost will not activate. Beast Boost activates after the Pokémon gains Attack from Fell Stinger. If a Pokémon with Beast Boost defeats a Pokémon with Mummy 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.

Pokémon with Beast Boost

# Pokémon Types First Ability Second Ability Hidden Ability
Nihilego Nihilego Rock Poison Beast Boost None None
Buzzwole Buzzwole Bug Fighting Beast Boost None None
Pheromosa Pheromosa Bug Fighting Beast Boost None None
Xurkitree Xurkitree Electric Electric Beast Boost None None
Celesteela Celesteela Steel Flying Beast Boost None None
Kartana Kartana Grass Steel Beast Boost None None
Guzzlord Guzzlord Dark Dragon Beast Boost None None
Please note that this is only 100% accurate to Generation VII games.
  • For Generation III games, ignore Abilities introduced in Generation IV or later and Hidden Abilities.
  • For Generation IV games, ignore Hidden Abilities.
  • For Generation V games, ignore Abilities introduced in Generation VI or later.
  • For Generation VI games, ignore Abilities introduced in Generation VII.

In other languages

Language Title
Chinese Cantonese 異獸提升 Yihsau Tàihsīng
Mandarin 異獸提升 / 异兽提升 Yìshòu Tíshēng
France Flag.png French Boost Chimère
Germany Flag.png German Bestien-Boost
Italy Flag.png Italian Ultraboost
South Korea Flag.png Korean 비스트부스트 Beast Boost
Spain Flag.png Spanish Ultraimpulso

Variations of the Ability Moxie
MoxieBeast Boost

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