C888 Yin-yang Seal

After pondering for a moment, Su Jue started to inspect the small dark room.

The four walls of the small black room were covered in dense runes, and in the middle was a yellow praying mat.

On the praying mat, a large word "Martial" was written.

This was a necessary tool for warriors in the Ancient Era. Many strong warriors would refine their own prayer mats into their own life treasures