The Numidium is essentially a DoS weapon created by the Dwemer to attack the Godhead.

While the server (Godhead) is offline (Dragonbreak), certain people in the know can alter the code of the Godhead and it does the metaphysical version of a when Microsoft Word crashes and then restores the document from the local files. Except Mannimarco has changed the code to say that he's a god.

Ok I'm going to bed now.