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Fionna and Cake Omnibus

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The Fionna and Cake Omnibus is a collection of Fionna and Cake fan-fictions written by Ice King. At the end of "Mystery Dungeon," the book itself is animated by the Ancient Sleeping Magi of Life Giving and proceeds to harass Ice King.


  • An omnibus is a volume containing items previously published separately, like the Fionna and Cake book.
  • The book is animated upside-down.
  • The voice of the animated book is similar to that of Mickey Mouse.


Write in me! Write in me! Write in me! Write in me!

—"Mystery Dungeon"

Yeah! Write it down! Write it down!

—"Mystery Dungeon"