Morgan Sloat aka Morgan of Orris in the Territories, is Jack’s father’s business partner, the father of his childhood friend and the man responsible for the death of his father and his twinner. In the Territories, he is a sorcerer and the lover to the dying queen.
He appears as the main antagonist in King’s nineteenth novel, The Talisman co-written with Peter Straub. In the novel, he chases Jack, trying to stop him from finding the Talisman. His ultimate goal is to bring weapons into the Territories and destroy the Talisman so he can rule the Territories with an iron fist after the queen’s death and eventually the multiverse.
At the end of the novel, after a final battle against Jack Sawyer, he tries to destroy the Talisman however it reflects his attack back, incinerating and killing him and his twinner instantly.
He is a posthumous antagonist in the novel’s sequel and King’s 45th novel, Black House.