Read the latest comic.
Looks like Mary is ready kill Low. I wonder why she always held back before then? I suppose it was lingering affection or something akin to Stockholm Syndrome. The Skull did say that the Mystic would be a betrayer, but the big question is, who would the Mystic betray? Order or Chaos? If the Mystic betrays order this time around, it could easily be Roberts.
I happen to believe that Maynard is good choice for the role of the Architect. He has the skills to pull it off.