Maybe this is a robbery, but I think it's more like a huge discovery. Imagine activating a two hit backstab/riposte while she's poisoned. She goes to phase 2, but the glitch proceeds so she gets set to 0 hp and the poison ticks down anyway and kills her.
Have Pokemon platinum with everything in box, have Pokemon white with everything in box and have Pokemon soulsilver with everything in box, just need to find the pokewalker 🙈