C569 Zhang Jin

There were no weaklings who were able to come back from ancient battlefield alive, but Gu Ning and Gu Fenghua were just too abnormal. They instantly killed their opponents.

"You didn't kill your opponent, did you?" Gu Ning asked.

"No, I held back." Gu Fenghua said.

Apart from Gu Ning and Gu Fenghua, who were two monstrous geniuses