C354 Refinery Success!

Hei Laogu had another reason for setting up the entire cultivation inn's array formation. If Cong Xiaofei was really refining an ancient magical equipment, then this must be a huge secret. No matter what angle it was made from, it couldn't be revealed to outsiders.

Yun Xiu could not understand what Hei Laogu meant by 'ancient array strengthening technique'