C187 Mo Xuanji's Trump Card Fighting the Second Elder

Inside the Hall of Mystery, Mo Xuanji pressed his hand against a wall in a secluded corner of the side hall, and the wall came alive with enigmatic runes.

"Boom crackle!"

The wall gradually parted to reveal a long, shadowy corridor. Mo Xuanji gestured and led the way into the passage.

Yim Wuxie trailed behind. As they traversed the lengthy corridor and descended a spiraling staircase