Board Thread:General Discussion/@comment-34147304-20180127015610/@comment-34260455-20180127225150

I think when Upgrade sacrificed himself, he simply merged with the watch. And to avoid glitches or a paradoxal feedback from the Omnitrix (or just Ben upgrading it to the point it overloads and explodes), it deleted the DNA sample so there wouldn't be any error coming from the system. Just a theory though That's a pretty solid theory. We'll probably get an explanation once (if) Azmuth is re-introduced to the series.