This is a "Wild Mass Guess" entry, where we pull out all the sanity stops on theorizing. The regular entry on this topic is elsewhere. Please see this programme note.
Grand Unifying Guesses The Dark Tower aka: The Dark Tower
The Dark Tower (and its Beams) takes a different form in every universe. Some of these include:
The Jewel of Judgment, and by extension, the Primal Pattern. Depending upon interpretation, this may be reversed - the Tower could simply be an image of the Pattern.