Amnesia (or: ugh, I can't do anythinggggg); Amnesia, as stated, is one of the worst threats in the game, comparable to a mute effect on the mages. But the problem is that mute is nearly nonexistent and non-viable because it locks out your healers instead of just your nukers, leading to a complete party catastrophe, while amnesia is so commonplace that it's easy to see why most melee are hanging up their weapons. If you're constantly stuck in auto-attack, unable to use your JA or WS, you're literally just sitting there swinging and waiting with minimal contribution.