He could not stand the slight arrogance of the 4 princes, but did he stand it when his waitress was subjected to glances and words? (does he only care about himself?)
He isn't doing anything because she is the sword and she is level 9.
Though he was secretly sad at her number she is still leaps and bonds above their 3 and 4s. Only Boss, I believe is a 5.
Just wait and see, it should be interesting!