Onykit was born in MetalClan as a big gray tom with deep blue eyes. His litter-mate was Topazclaw. He became an apprentice named Onyxpaw and his mentor was Spottedstem. He soon became a warrior and was given the name Onyxfang. He lived in the Clan for a half of year without an apprentice. Then he was finally gaven by Metalstar. Zincpaw became his first apprentice. During a battle with two badgers Onyxfang lost his right eye but survive and recovered. Onyxfang is still in MetanClan today.