User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-26339751-20160110054654/@comment-24236190-20160113222307

I don't think it will (note, I don't play BF JP). Since Noah's 6* form has a BB that "fills own BB gauge to max," and it only fills the equivalent of the BB gauge and not the SBB gauge, it's safe to assume that Lilith will follow the same path.