Ability · Gen 7 · 3 Pokémon
Soul-Heart
This Pokemon's Special Attack is raised by 1 stage when another Pokemon faints.
Soul-Heart was introduced in Generation 7. 3 Pokémon and forms can have it.
Pokémon with Soul-Heart
As a regular ability (3)
MagearnaSoul-Heart FAQ
What does Soul-Heart do?
This Pokemon's Special Attack is raised by 1 stage when another Pokemon faints.
Which Pokémon have Soul-Heart?
3 Pokémon and forms can have Soul-Heart: Magearna, Mega Magearna and Magearna-Original-Mega.
Effect text from Pokémon Showdown (MIT); which Pokémon have it from Showdown's Pokédex, cross-checked against PokéAPI. Unofficial fan site.