C2664 Challenge of Bravehearts(1)

"I don't know."

Zhiyuan shook her head and her long red hair danced. She really did not know the name of the formation at the stairs.

And it was also her first time hearing what kind of formation the other party was talking about.

Seeing Zhiyuan's blank expression, Chiang Hao also opened his mouth and explained a little about the origin of this formation