C1015 triggering mechanism

After a few hours, Wu Hao and Xing Yue had searched through almost all of the Stark family's Book Collection Vault, but they had not found any records regarding Blood Demons.

Just when the two of them thought that Stark family did not know anything about the Blood Demon.

The little fatty wandered around aimlessly in the Compendium Pavilion, but to his surprise, he found something