User blog comment:B214/Volume 17 spoilers./@comment-1359322-20140311050948/@comment-24468758-20140312062922

Another idea for a power-up for Kiba: he becomes capable of creating holy demonic swords at the level of legendary swords and eventually even higher since his swords are hybrids of with the powers of both types (would just take plenty of time to reach that level because he would need to master sword birth completely).