Outside Yuheng Valley, Demon King Ao, Tiangou, and a few other Demon Kings had been waiting for more than two months.
Apart from Hu Li and the missing Liu'Er and Tushan, the other ten Demon Kings had gathered here.
This was unprecedented in the Demon Realm.
The Demon Kings of the Demon Realm rarely gathered together. If not for the disappearance of Liu'Er and Tushan, they wouldn't have waited outside Yuheng Valley for two months.
Didn't Demon Kings care about their reputation?
But now, if they didn't find out the background of the person who could transform into a Demon King, they wouldn't be at ease.
"What happened?"
On this day, the Demon Kings looked at Yuheng Valley with bewildered expressions.
From Yuheng Valley, which had been extremely calm for the past two months, a terrifying aura suddenly came.