- Lowers damaging Ground-type moves' energy cost by 1%. Makes Hidden Power Ground-type.
A dusty brown stone tablet infused with the power of the earth. Pokémon holding this item use 1% less energy to use damaging Ground-type attacks. That Pokémon's Hidden Power attack becomes Ground-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.