Su Heng had joined the Demon Suppression Bureau less than two months ago and had spent most of his time cultivating. He had always thought that the concept of "Fierce Level" was far beyond his reach and had not deliberately inquired about it. Unexpectedly, his strength had improved so rapidly that he now encountered his own knowledge blind spot.
"I don't know," Su Heng, looking down from a height, sincerely asked, "what exactly is the difference?"
"Uh..."
The expression on the face of the Crimson Flame Demon King also paused amid its frenzy.
He had just shouted it out without thinking and hadn't expected Su Heng to seriously seek an answer.
No, wait!
How do you even serve as the head of the Demon Suppression Bureau; did you spend all your time building up your muscles?