C513 Never Would I Have Thought That

When he returned to the small building, Liu Yun was preparing to cultivate and increase his strength again.

Boom!

Suddenly, the entire world seemed to tremble.

A terrifying aura that was as violent as lightning spread out.

"This aura is definitely not something that a Martial King Stage cultivator can release!"

Liu Yun's expression changed slightly as he felt as if his soul was trembling