User blog comment:DeathGodPrayer/Talk About What You Want!/@comment-5185939-20120620234634

What kind of Sub-Species do you think Issei will develop for Boosted Gear? I know it could be anything, but most of them are at least connected to the basic power of the Sacred Gear.

I'd suggest creating clones ala Kage Bunshin, but that would draw too many comparisons to Naruto.

Maybe the Balance Breaker turns into a Dragon Mecha?