C225 Discipline of a Cultivator of Yuan Dan Stage

When Cao Ba arrived at the underground space of the library, a calm scene was revealed before him.

The Essencial Core Rank cultivator only saw a young man calmly standing in front of a huge stone tablet in the middle of an empty underground space. The youth's gaze was cold and expressionless. His entire right arm was covered in black scales, making it seem extremely terrifying