Minus
Boosts the Sp. Atk stat of the Pokémon if an ally with the Plus or Minus Ability is also in battle.
Pokémon with this ability2 Pokémon
FAQ
What does Minus do?
Boosts the Sp. Atk stat of the Pokémon if an ally with the Plus or Minus Ability is also in battle.
Which Pokémon have Minus?
2 Pokémon have it, e.g. Minun, Toxtricity（Low-Key）.