Patterns flashed on the surface of the diagram, forming a huge vortex from which a majestic aura emanated.
"Young Master Chen, this is the gate to the secret realm. Once you pass through the vortex, you will arrive inside. Please be careful in all things," Yan Quan said respectfully.
Chen Feiyu nodded, stepped into the vortex, and his figure disappeared into the cave.
Chapter 991