C387 Leaving the Ancient Beast Space

Zhang Nan frowned and said helplessly, "I know this is not your full strength, but do you think this is my full strength?"

"Do you still have hidden strength? Impossible. This is your full strength. How can you still have strength?"

The Demon King said in disbelief.

"Why don't you try it?"

Zhang Nan said with a smile.

The Demon King sneered