User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-392832-20160405071103/@comment-26336535-20160405235745

I forgot Magress' SP skills and Mifune's I just never looked up, but I'm sure that each of them have at least one SP skill that boosts BB momentum, which should be sufficient in Raids and Questing/Vortex Grinding.