Beast Boost (Ability)

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.
Generation VIII
The Pokémon boosts its most proficient stat each time it knocks out a Pokémon.
Generation IX
Boosts the Pokémon's most proficient stat every time it knocks out a target.

Beast Boost (Japanese: ビーストブースト Beast Boost) is an Ability introduced in Generation VII. It is the signature Ability of the Ultra Beasts.

Effect

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 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 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
0793   Nihilego
Rock Poison Beast Boost None None
0794   Buzzwole
Bug Fighting Beast Boost None None
0795   Pheromosa
Bug Fighting Beast Boost None None
0796   Xurkitree
Electric Electric Beast Boost None None
0797   Celesteela
Steel Flying Beast Boost None None
0798   Kartana
Grass Steel Beast Boost None None
0799   Guzzlord
Dark Dragon Beast Boost None None
0803   Poipole
Poison Poison Beast Boost None None
0804   Naganadel
Poison Dragon Beast Boost None None
0805   Stakataka
Rock Steel Beast Boost None None
0806   Blacephalon
Fire Ghost Beast Boost None None
Please note that abilities marked with a superscript are only available in the stated generation or later.
  • For Generation III and IV games, ignore Hidden Abilities.

In the manga

Pokémon Adventures

In other languages

Language Title
Chinese Cantonese 異獸提升 Yihsau Tàihsīng
Mandarin 異獸提升 / 异兽提升 Yìshòu Tíshēng
  French Boost Chimère
  German Bestien-Boost
  Italian Ultraboost
  Korean 비스트부스트 Beast Boost
  Brazilian Portuguese Ultraimpulso
  Russian Ультраимпульс Ul'traimpul's
  Spanish Ultraimpulso


Variations of the Ability Moxie
MoxieBeast BoostChilling NeighGrim NeighAs One


  This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.