1. All party members die when open the door full of fallen maniac

2. Die when trying to revive party members from wall of fire

That was the first time blizzard implemented the Nephalem Valor. I remember I was chasing the damn goblin around the map and without me knowing, I mouse-over my skill bar and dragged a skill out of the screen. I lost my left click skill (FoT) and was cursing like mad cos i lost my NV also.