User blog comment:Crimson Storm Mich/Future Units Preview v2/@comment-31903729-20170808214522

We may be entering the era of "The Origins of Those Who Fought Beside the Six Heroes." Since unit batches from each of the Six Heroes homelands are in development to be released, we may see Legacy Omnis of units who were a part of the Six Heroes story. Just a guess based on that poll list of potential Legacy units from a while back, and the batches we'll be seeing next.