C703 Yin and Yang Alternated

"This is it!" Yuwen Tian immediately opened his eyes, looked at the stone door in front of him, thought to himself, and took a step forward, disappearing in an instant.

Buzz...

The space trembled slightly, and Yuwen Tian's figure appeared in a smoky hall. Occasionally, one could see a wall on one side, as well as some stone tables and chairs. There were many strange patterns carved on the walls