: After the events of "Finn the Human," a version of the Lich was left behind in the Farmworld timeline. Prismo, the wish-master, recruits Finn and Jake to stop this Lich from using the Enchiridion to destroy every dimension.
In the Adventure Time episode (Season 7, Episode 23), Finn and Jake travel to the Farmworld dimension to prevent a catastrophic mistake that threatens the entire multiverse. Plot Summary [S7E23] Crossover
: Prismo gives them a powerful tool called "The Maid," a device designed to "clean up" interdimensional messes. To activate it, the user must focus their intention and recite "A man needs a maid" three times. : After the events of "Finn the Human,"
: By working together, Finn and Jake successfully use the Maid to remove the Lich's influence from the Farmworld without destroying that reality, effectively "fixing" the timeline. Key Themes Plot Summary : Prismo gives them a powerful
: The episode confirms that the Mushroom Bomb spirit of the Lich exists across different dimensions and must be stopped to protect all life. The Maid | Adventure Time Wiki | Fandom