Sheer Force Mawile is taking Life Orb damage after using Sucker Punch in Pokémon Reborn. Is that already a documented bug? The E15 "Wall o' bugs" shows that Sucker Punch is all kinds of broken. Just thought I'd mention it, though. Maybe it's also just normal, never used Mawile.
Sheer Force negates LO's damage only if you use a move with a secondary effect (aka a move that gets boosted by SF). Sucker Punch doesn't have any secondary effect
