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Is waiting for the rising...

—Grass Demon

Grass Demon is the name given to a creature by Finn Sword that originated from the Grassy Wizard's cursed sword. The demon first appears briefly in "Reboot", and then in a flashback in the episode "Two Swords" where it describes itself as "a curse, an emissary from beyond" before helping Sword Finn escape from inside the Finn Sword.

Appearance

The demon is a small creature, roughly the size of a human head, that resembles its personal description as "some kind of grass octopus-spider".

Personality

From its initial appearance, the Grass Demon maintains a calm and a somewhat cheerful disposition. It seems to enjoy covering surfaces with a sticky substance similar to spider silk as it coated "interior" of the Finn Sword with its webs.