*Buzz*
A powerful barrier of Spiritual Qi spread around two beauties with red eyes and identical facial features, wearing silver masks depicting the mouth of a demon on the lower halves of their faces.
There were four small array discs, and a hundred talismans that composited that barrier, all moving in orderly manner around the twins.
*Clunk, clunk~....*
An empty jade box with an open sliding lid fell at their feet, onto a circular platform carved out of a solid single-piece black-colored rock beneath them.
Thousands of people in identical black clothes and identical silver masks with demon faces, stood around the circular lake with the platform, which was at the center of a giant dark underground cave hall.
The rows of silver masks stretched far into darkness, gradually rising higher as the hall was elevated the further away from the lake, like an amphitheater.