User blog comment:B214/Question and Answers 6/@comment-2607:FB90:602B:5C13:E835:4052:FCDA:7AE0-20190208003632/@comment-5384276-20190211121723

Yes, all of their attibutes go up. In vol 10, Sairaorg could keep up with Kiba in his base form but surpassed him with BxB.

Ise as well, as his speed becomes on par with Kiba and he no longer has to boost to shot Dragon Shots.