C215 Betraying and Killing

With a wave of the spear tip, Zuo Mao cut open the Mystic Serpent of Black Water's stomach. He reached his hand into the Mystic Serpent of Black Water and searched for something. Soon, he found what he wanted.

He stretched out his hand. There was a palm sized blue-green irregular-shaped crystal in his palm that was filled with blood. It was emitting a faint light