User blog comment:DeathGodPrayer/Talk About What You Want!/@comment-213.106.131.123-20131031152845/@comment-1359322-20131101100837

Well there's a theory on getting the Artificial Boosted Gear mayb allow Issei to attain his Subspecies Balance Breaker. So what you mentioned might actually turn out to be Issei's Subspecies Balance Breaker.