User blog comment:Kogath/Monster Hunter Frontier G5 Discussion/@comment-6050823-20140813105402/@comment-25078123-20140818155033

Or Pure Crystals, I do remember there being a nice old Thunder element hammer in the older Gens made from various crystals ending in Purecrystals. Which could explain his Wind Element containing Thunder (or he could just like eating Akuras/ Mi Ru's crystals).