He was Immortal Master Qingyu.

The refined middle-aged man turned out to be an Immortal Master.

Flaming Qilin and the others looked at each other and saw a trace of joy on each other's faces.

After observing for a while they found Immortal Master Qingyu and the Second Demon Lord knew each other. They weren't friends but enemies.

The enemy of their enemy was their friend. If the person took action, the crisis on the earth might be ...