C476 Heavenly Abyss and Ancient Clan

Yu Sihai suddenly called Xiao Yu over, but he only said this one sentence. Xiao Yu was stunned, not knowing what he meant at all.

"You don't know about the Heavenly Abyss?" Seeing Xiao Yu's reaction, Yu Sihai frowned deeply.

Xiao Yu had such a Talisman Dao strength, and his background was so mysterious. He thought that Xiao Yu knew a lot of things