>>43306199Because Torterra can be supereffective with stab moves on Infernape, the same is with Empoleon. The gen 6 starters were designed around being supereffective each other with both of their types, so chesnaught loses against delphox with both fire and psychic moves, but can beat greninja with both grass and fighting moves, the same greninja can beat delphox with both water and dark moves.
>>43306209Hidden abilities are something unrelated to starter type balancing.
