C1989 Pangu Axe

Pangu Axe:

It had evolved from the Heaven Opening Banner after it had surpassed its limit. It was the manifestation of the Chaos True Intent of the world, and it possessed the power to split the heavens and the earth apart!

A short message was transmitted into Mu Qing's mind, allowing him to understand the name of this axe.

It was originally the Sky-Opening Banner