Lei Yu wanted to establish his own stronghold outside of the Ironscale School and had chosen the island with the Hundred-Saints Hall for it. Unfortunately, the Hundred-Saints Hall's last disciple, Zhang Baitu, didn't want to sell the island, leading to the conflict. Lei Yu tried to forcefully destroy the Hundred-Saints Hall, but no matter how he attacked he couldn't do anything to the Hall. The events attracted Li Qiye's attention. Li Qiye killed Lei Yu's followers, and soon after Lei Yu himself.