Ability · Gen 7 · 2 Pokémon
Innards Out
If this Pokemon is KOed with a move, that move's user loses an equal amount of HP.
If this Pokemon is knocked out with a move, that move's user loses HP equal to the amount of damage inflicted on this Pokemon.
Innards Out was introduced in Generation 7. 2 Pokémon and forms can have it.
Best Pokémon with Innards Out
Ranked by usage in public Pokémon Showdown battles (Champions VGC first, then National Dex OU, SV OU and Champions Singles), with how many of each Pokémon's sets actually run Innards Out.
Pokémon with Innards Out
As a regular ability (2)
Innards Out FAQ
What does Innards Out do?
If this Pokemon is knocked out with a move, that move's user loses HP equal to the amount of damage inflicted on this Pokemon.
Which Pokémon have Innards Out?
2 Pokémon and forms can have Innards Out: Mega Victreebel and Pyukumuku.
What are the best Pokémon with Innards Out?
By competitive usage, the most used Pokémon that can have Innards Out are Mega Victreebel (#227 in Champions VGC, 100% run Innards Out) and Pyukumuku (#252 in National Dex OU, 9.7% run Innards Out).
Effect text from Pokémon Showdown (MIT); which Pokémon have it from Showdown's Pokédex, cross-checked against PokéAPI. Unofficial fan site.