C855 Sixteen Years ago

"Brother Tang Ao, what was that formation you were talking about? Xin Er doesn't seem to understand. " Holding Tang Ao's small hand, Bing Xin tilted his head and asked. His appearance was extremely adorable, causing others to be unable to resist the urge to hug her.

"Xin Er, don't the ice and snow plain have the inheritance of the formation?" Through his conversation with Bing Xin on the road