User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-26106312-20151024152537/@comment-26106312-20151025041826

Well when I said skipped Avan, I meant that usually they release the Fire, Water, and Earth units first, with the Thunder, Light and Dark units being last of the batch released. I mean I guess it doesn't matter when they get released if people are getting the other three already anyway haha.