The story might focus on the journey and challenges of a boy aiming to become a king, perhaps intertwined with the tale of Absalom in some significant way.
Well, obviously Beast Boy as the Vampire King is a main character. Often his friends from the Teen Titans like Robin, Starfire, Cyborg, and Raven also play important roles. They might be trying to help him deal with his new vampire identity or be in conflict with him if his vampiric nature starts to cause problems.
Well, in this story, the boy came up with a brilliant plan to deceive the Yama King. Maybe he tricked the king into believing something that wasn't true or found a loophole in the king's rules.
Well, that's a tricky one. I haven't come across the specific narrator for 'Fisher Boy' by Stephen King. You might want to look through related book reviews or author interviews to find out.
The following are the recommended novels about a boy becoming a zombie king: Zombie King System, Zombie Tide, Male Lead Is the Zombie King, and Zombie King Is My Boyfriend. These novels all told the story of the male protagonist turning into a zombie and eventually becoming a zombie king. However, these search results did not provide detailed information about these novels, so they could not provide more details.