Ren’s Iron Fists are devastating mainly due to the speed in which he hits, rather than pure power. He spent many years getting into fights on purpose only to get his ass handed to him over and over. It was only when, after grovelling to a visiting martial arts master, that he was granted one single lesson, and he learned that speed was the key to delivering a good ol’ one-two.

He still lost to the grand master of course….