C1086 Comprehension Stone

Black stone the size of a fist, oval in shape.

"Dao stone? I didn't expect you to find such a thing!" Long Bi Yao looked at the black stone in surprise.

"What is its use? Is it special?" Chu Tian asked as he looked at Long Biyao's expression.

To have the Five Element Martial Emperor create an avatar for him to use, and even make Long Bi Yao show this kind of expression