Andy Biersack fell off a 15 foot wall, SHATTERED three ribs, got up, and continued to play.
Frank Iero played an entire show hooked up to an oxygen tank.
Alex Gaskarth hit his head hard on an overhanging speaker, fell off the stage, split open his forehead, got a concussion, then got up and finished the set.
Justin Bieber broke his toe on stage and stopped the whole show.