In Pokemon Platinum, facing the Elite Four and the Champion ... Lv 52 Hippowdon (Ground) Strategy: Bertha’s team crumbles against Water, Ice, and Grass moves. However, her Whiscash is immune ...

When facing Bertha in Pokemon BDSP, keep at least one Grass Type Pokémon with you, and the best one to do the job is Roserade. Roserade is probably one of the most powerful Grass types in Pokemon ...