Basically, Lee Muhan was Lord Mugo's past life before he became this semi-God creature that he is today. It should be mentioned somewhere around chapter ~40-50 (can't remember the chapter number, but essentially in season 2).
Basically, Lee Muhan was Lord Mugo's past life before he became this semi-God creature that he is today. It should be mentioned somewhere around chapter ~40-50 (can't remember the chapter number, but essentially in season 2).