C363 The Authentic Immortal Killing Sword Formation!

Ye Fann activated the Heaven Astral Thirty-six Arts and a scene appeared in his mind. His heart immediately skipped a beat. "I haven't been to the Underworld yet. Let's go take a look."

Yang Dian didn't know why Ye Fann suddenly became interested in the eerie Underworld.

However, he still nodded and flew away from Mount Tai with Ye Fann towards the entrance of the Underworld