User blog comment:DeltaHorizon020/Reud Omni Idea/@comment-28009455-20160904110629/@comment-27960787-20160904123401

Maybe just maybe though. And yeah, A BB/SBB/UBB cost is how much you could fill your BB Gauge with Brave Crystal so that you could use Brave Burst actually. The bigger the cost is, The slower your BB Gauge fill is. But it could be covered by BC on hit units or BB on Spark units.