User blog comment:Jopjopjop/High School DxD BorN episode 3 review/@comment-26209278-20150420224951/@comment-26209278-20150422143335

In the LN, when Issei first reaches BB, he has a countdown until it activates, as he isnt strong enough to just summon it (like Vali can), until around #14 I think, where he no longer has the countdown