(W) Tom King (A) Clay Mann, Lee Weeks (CA) Clay Mann. Tragedies deepen as more secrets behind the "superhero hospital" called Sanctuary are revealed! What compelled Batman* Superman and Wonder Woman to create it in the first place? How was it built? And if the hospital truly is alive via A.I.* who - or what - is the brain of "Sanctuary?" Another layer peeled back in the biggest mystery woven through the entire DC Universe.