C577 Grand ending(5)

If it was a normal day, Yue Xi would definitely give the red dragon a palm. But at this moment, Yue Xi could not delay any longer: "Hong Long, do you know what the Emperor Xuan Yuan's weakness is?"

It was once a Emperor Xuan Yuan Demon Beast, so knowing about this, it would be easy to deal with!

The answer left Yue Xi speechless. Emperor Xuan Yuan didn't have any weakness