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While Pennywise died at the hands of the Loser’s Club in their second time to face him, he was still one of King’s most powerful monsters. Even as powerful as Pennywise was, Stephen King has even more powerful monsters who appeared in his novels over the years.
5) Leland Gaunt

One of Stephen King’s greatest creations was his fictional world in Maine, which included Derry, which Pennywise haunted, and the even more famous Castle Rock, which was the home of other horrific events. Released in 1991, the King novel Needful Things was promoted as the last Castle Rock story, although King has since gone back there in later years. What made this the last story was that one man destroyed the entire town.
Leland Gaunt opened a store in Castle Rock called Needful Things, which the townspeople soon began frequenting. However, Gaunt didn’t just sell things for money. He also made trades, where people would do him favors in exchange for objects they always desired. This included spreading rumors and hurting other people in Castle Rock. In the book, he was possibly the avatar of Nyarlathotep (H.P. Lovecraft’s messenger of the Outer Gods), and in the movie, he was the Devil in human form. Either way, he is unbeatable and serves as a destructive force of evil.
4) Perse

Perse is the main villain in the underrated Stephen King novel Duma Key. For fans of mythology, Perse is short for Persephone, and she is a sadistic goddess who tempts artists to create paintings that end up coming true in the real world. In the novel, a man named Edgar lost his arm in an accident and fell into a depression, costing him his marriage. He went to an island town on Duma Key, and it was there that he encountered Perse.
Her power allows her to use humanoid dolls to extend her influence and force people to do her bidding. She specializes in influencing artists so she can cause destructive events to happen in the real world. It is also nearly impossible to touch her, much less defeat her, thanks to her reality-warping power. However, just like with Pennywise in IT, she does have one weakness, and that is that she is entrapped if the doll her spirit possesses is submerged in salt water. That is how Edgar beat her, although this only contains her until someone finds and releases the doll.











