C154 Special Constitution

"Then how do we know what kind of attribute our constitution belongs to?" Zhang Xiaoyu continued to ask.

Yun Ling'er said, "It just so happens that Grandpa Gu wants to talk to you. Come in with me."

Entering the cabin, Zhang Xiaoyu's gaze locked onto an old man. It was not for any other reason but because the moment he entered, the old man's overwhelming aura completely surrounded him