So I'm in the black tower in Black 2, leveling up my EV'd Gengar. So when I get out, I notice that he doesn't have his Focus Sash I equipped to him anymore. I saw him use it during my run in the tower, but I never took it off of him. None of the Pokemon in my party have it equipped, and none of the Pokemon in my box or at the daycare have it on. Did something happen to my game? any thoughts?