Board Thread:General Discussion/@comment-31283382-20140615231853/@comment-9468724-20140905100105

Stefan (Shikai - "Rust & Shatter") wrote: Will-O-Wisp wrote: An omake in the manga hints at "the Assimilation" being the most likely. Can't find the picture now, but it shows many letters attached to an A.

If so, then Yhwach's got something in common with the Borg. "Resistance is futile..." Probably yes.. Considering how the last verse of his song/prophecy/thing says he will regain his kingdom.