C422 Gate of Wonders

The old dragon said the last three words.

Yun Fan's expression changed slightly. When they had arrived at the underground dragon vein, he had already been searching for clues regarding the Couching Dragon Domain.

But he pretended to be calm.

"Actually, when you and this expert next to you arrived at the Upper Clearness Realm that day, I noticed all of you. You all were also spying on me