User blog comment:Jopjopjop/High School DxD BorN episode 3 review/@comment-3290441-20150420184913/@comment-24502975-20150422141520

I wouldn't say he didn't have the physical power to achieve it, since Balance Breaker is attained by a drastic change within you (ie, poking breasts for Ise). He just didn't have the physical power to maintain it.