Supreme Overlord
Attack and Special Attack are boosted for each party Pokémon that has been defeated.
Full effect
When the Pokémon enters a battle, its Attack and Sp. Atk stats are slightly boosted for each of the allies in its party that have already been defeated.
In-game description
When the Pokémon enters a battle, its Attack and Sp. Atk stats are slightly boosted for each of the allies in its party that have already been defeated.