Entertain the End

The main characters are April, David, Christopher, and Jalil, four teenagers who are trapped in Everworld, a mystical realm where ancient gods and mythological beings coexist. In this final book of the series, Senna, their only link back to the real world, has disappeared, leaving them seemingly stranded forever. The group must help Merlin undo the damage Senna caused in Everworld while facing Hel, a goddess who seeks their eternal suffering. The book concludes the Everworld saga as the characters confront the consequences of their actions and the final challenges of this mythological realm.