Lowers damaging Ghost-type moves' energy cost by 1%. Makes Hidden Power Ghost-type.
A dark gray stone tablet infused with the power of ghosts. Pokémon holding this item use 1% less energy to use damaging Ghost-type attacks. That Pokémon's Hidden Power attack becomes Ghost-type for as long as the plate is in its possession. If the plate should be removed, Hidden Power's type is randomized for the remainder of the battle.