Netamu was once considered Zafarr's best friend, they did everything together. But Netamu always envied Zafarr's life, he was one of the best warriors, always seemed happy, and a beautiful mate. He finally was jealous and angry enough to betray Zafarr and ambushed him and his mate, with also the help from a pack of wild Morlock beasts. His mate died, and he thought Zafarr was dead, but he survived the attack and was saved by a young scientist named Selina. Afterwords, Zafarr vowed to hunt Netamu down for his revenge. They've been arch-enemies since then.