The idea for this design came pretty quickly, as I knew I wanted to portray him more like an evil warlock rather than an armored fighter. I decided to keep some armored elements and give him more of a "battle-mage" kind of feel. I've always wondered why there was such a stark difference between his muscular blue flesh and his yellowish-green skull, so I decided to have hovering magically over his body, emitting green wisps of flame.