Ye Yunfei of Hidden Sword Villa has been able to see the souls of the dead since he was a child. After practicing in seclusion at the Sword Tomb for a year, he developed the ability to seal souls into swords. Here comes his brother Ye Feng, who is three years older than him.
The Ye family brothers were all generals of the Haoqi Alliance. Later Ye Fenglai was framed and lynched. In order to avenge his brother, Ye Yunfei broke away from the Haoqi Alliance and threw himself into the Valley of the Wicked. On the way to revenge, he forged twelve soul swords with the blood of his enemies. Everyone's expression changed when they talked about him, and they described him as a "ghost-eating tiger" who even the devils would surrender to.