Seafloor Cavern Rooms 1-5 and 8 — Pokémon Emerald Ex
Every wild Pokémon here, by encounter method.
Seafloor Cavern Rooms 1-5 and 8 lists 8 Pokémon across 1 encounter method (grass). Between them they cover 5 types: WaterPoisonFlyingRockGround.
Opens up at Route 126 to Sootopolis City — Gym Leader Juan.