C400 I've Killed Your Predecessors

Ling Duoqing was both a Heaven-earth Contract and a mysterious man, making Nangong Zhongyuan speechless.

Nangong Zhongyuan was not surprised that Ling Duoqing was able to write Heaven-earth Contract, because as long as they reached a certain realm, they could write Heaven-earth Contract.

Of course, with his understanding of the laws of the world, he couldn't write one