I think there's an error in the aspect ratio of the colored images of the Epyon. Look at the chest gem, for instance, it's wider than it is tall...
I did a little photo edit, "correcting" the aspect ratio of the colored image of the Epyon and comparing it with an earlier single-color prototype photo. It's on Hobbyfanatics:
My Epyon postIf somebody wants to pull the image and upload it somewhere else and repost it here, that's cool. I'm not going to bother. :)
If people are saying this version of Epyon is fat... then I'd have to say they forgot what the Epyon looks like.
Huge Okawara barrel-chest, like the rest of the Winger Gundams...