C599 Hidden in the Void the Sixth Level

Inside the fifth level of Yan Country's Secret Storage!

"Chu, out of all the treasures in the Yan Country royal family's Secret Storage, the only ones that are truly useful to your current level of cultivation are the five black stones you hold," Elder Huang informed.

"Elder Huang, where do these black stones come from? And how can they enhance my strength?" Chu Zhongtian asked eagerly