Knights of the Zodiac (Saint Seiya), Vol. 5 — Masami Kurumada

When the Grande Foundation sent 100 orphans around the world to train as Knights, one unfortunate orphan was sent to the most horrific place on Earth, the terrifying Death Queen Island. He left a gentle boy but returned a twisted killer, hell-bent of destroying every other Knight--including the little brother he once loved! Can the Knights of the Zodiac withstand his brutal attacks and find a way to bring back some part of the kindly boy who once was? Or will they simply meet their demise at his vindictive hands?