"Nine Dragon Xuanzheng Banner!" Staring at the black flag, the old man in white lost his calmness, became shocked and even breathed heavily.

Hearing the words of the old man in white, Yu Wanqing and Yu Ziyan were also trembling, unbelievable. In the underworld palace of the ghost king, there was a Nine Dragon Xuanbanner hidden, which was not available to all, falling on Ye Dun's hands.

"No wonder Lin Aoyu behaves so weirdly that they seem to have known the secret of the underworld for a long time. They want to steal the Kowloon Xuanzhen flag secretly and act as a hidden card." Yu Ziyan was smart, and immediately...