Generation Ix
Beads Of Ruin
The power of the Pokémon's ruinous beads lowers the Sp. Def stats of all Pokémon except itself.
Detailed Effect
The power of the Pokémon’s ruinous beads lowers the Sp. Def stats of all Pokémon except itself.
Pokémon With Beads Of Ruin
1 canonical Pokémon form can have this Ability.
Chi Yu 
