Lowers the target's Ground Type Rebuff by one rank the first time the user's attack move is successful each battle.
Rebuff Reducing Hit (Ground) (Japanese: 初攻撃時じめん抵抗↓Ground Resistance Reduction During First Attack) is a skill in Pokémon Masters EX.
Effect
The first time the user successfully lands an attack move on an opponent, the opponent's GroundType Rebuff will be lowered by one rank. The skill applies to the Pokémon's attack moves, including buddy moves, but not sync moves or max moves.