After returning to the hall, the door behind suddenly disappeared, and the whole hall has changed. All the reticulated pictures around it have disappeared. Only a huge yin-yang diagram appears in front of them. In the center of the yin-yang diagram, a black space door with a cold breath of Yin appears in front of them. Although they can't see the scene inside, they can't see it from there We can guess that it is not a good place.

"shall we go in?" Huanglong suppressed the restless breath in his body. Somehow, he was afraid of the things behind the space door.

"I always feel that the breath of this...