C2778 Breakthrough

Until now, Xu Liusu had only barely understood the first part of the ninth layer. However, he had always believed that if he could learn the first part, his combat power would increase by leaps and bounds.

He sat down cross-legged and stared at the Glyph on the wall.

Like this, several days passed, and he was still in a state of meditation. However, in the outside world