Sudden Corruption, Hero Malfunction

''It's even worse if the hero is a robot. ERR 404 GOOD HERO NOT FOUND''

When the Hero's victory turns out to be a bad thing after they beat the Villain and take an evil item their enemy previously owned off of them so they could become evil in their place. If they can, the Good Guys will hurry to bring the Hero back to being good before they completely get converted.