Welll, after zaros disapearance, he turned to sara and started travel the world in disguise to learn about how to bring him back? Hmm, this goes with my theory. The black knight spying on the tower to help learn how to summon, About the letters, those make sense to the disguise: These are pretty much Saradonim. My conclusion: if WOM or Zammy's follower get to learn how to summon, they will be a massive new god war. \