Power Rating.

He could punch and attack all day since his unlimited stamina can allow him to, but he won't be able to harm Fitalo unless he uses an aid like a weapon. Even then, the weapon has to be of very high quality to bridge the gap between 69 and 24. This is why demons lower on the hierarchy find it almost impossible to beat their superiors.

The demon Hierarchy has been set before the arrival of the realm lord but his concept of power rating explained why 100 low-rank demons cannot punch a mid-rank demon to death. The quality brought about to the state of existence through evolution trumps the quantity brought about by stats.

He began testing his chaotic power on Fitalo instead, since his fist wasn't working. He created a clump of dark fire in his hands and threw it at his opponent. Fitalo was starting to get up and was doing it leisurely.