User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-27268294-20160109022910/@comment-3547897-20160110021432

Actually his SBB cost at Lv10 would be 75. (It's the only SBB to scale upwards) Reducing it by 20% would still yield 60 BC cost and need 30 BC which is painful when fighting 1 or 2 enemies in FG.