Firestorm is an event that can be found in the Plague Tunnels Level 2 in Diablo III. The player must eliminate three waves of enemies while also avoiding fire from four rotating furnaces. As soon as the event is started, gates enclose the area and the player is not allowed to leave until all waves are defeated. After the completion of each wave, the furnaces will momentarily stop spitting fire, but will shortly resume again and spin faster than before. Peleil will spawn during the event and must be killed to complete it.