Chest Monster/Anime and Manga

Examples of s in include:


 * One Piece has this during and episode in the Thriller Bark arc where Nami opens a chest and a surprise zombie pops out.
 * Much, much earlier, Luffy and Nami encounter a little man who, twenty years before, had fallen into a treasure chest and couldn't get out. He tries to invoke this trope to scare people away from his island.
 * An episode of Rune Soldier Louie has a short fight scene with the party attacked by a door mimic, as well as a traditional treasure chest mimic.