If Chu Nan used the Hong Clan's Long Fist himself, then his punch would purely mobilize his physical strength. The power was indeed not great.
As for the fist technique that Supremacy Quediro later displayed to mobilize and fuse spatial energy, it actually had nothing to do with the fist technique itself. Instead, it mainly depended on the ability of a martial artist to mobilize and use spatial energy.
As a Star-Grade Martial Artist, Supremacy Quediro's ability in this aspect was unquestionable. Therefore, this ordinary fist technique seemed to be extremely powerful and terrifying in his hands.
However, with the help of his powerful data ability, Chu Nan's ability in this aspect was also not bad, so he was naturally not convinced by Supremacy Quediro.
Now that Supremacy Quediro had thrown another punch, Chu Nan discovered that this punch was completely different from every previous punch.
