Roger was able to master a large number of specialties and spells the moment he became a Jade Phoenix wizard.
This was an immediate increase in combat strength.
Even though Roger's own strength led to an actual improvement that wasn't as strong as it was in theory.
However, an improvement was still an improvement.
Roger would not look down on Yufeng because of this.
..
Second.
The characteristics and position of master Yufeng made him more like a martial artist among Masters!
Or rather ...
Mages who were inclined to support martial artists.
Most of his spells were related to martial arts.
There were also a large number of confusing spells like 'intuition slash' and 'heaven raising sword'.
On the surface, these spells seemed to be individual offensive spells.
In fact, their auxiliary effect was greater than their offensive effect.
If a martial artist had master Jade Phoenix as his assistant ...