C40 Ten-thousand-year Black Iron

The Black Dragon let out a long cry, a pair of black wings spreading out from its back. A black fog rose from his feet, carrying Liu Yunze and Qing'er into the sky. The sound of wind blew past his ears. This Black Dragon was indeed the first flying beast in history. In the blink of an eye, it had passed through high mountains and high mountains, arriving above a large river.

"Master