User blog comment:B214/Volume 22 spoilers/@comment-27083298-20161112215056/@comment-10330822-20161115003526

Exactly, and that additional training would make his armored forms even more powerful. Especially if he could throw Touki in the mix.

I always figured that Dragonification might allow him to "process" more power. He might be able to handle more of Ophis's Infinity power.

Yeah, as far as I'm concerned, if you need training on being a devil and dragon, there's one person you're gonna want to call. Old Man Tannin!