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The Grape Juice Sword was an imitation of the Demon Blood Sword used in "The Pit" to save Jake from Kee-Oth. It looked almost identical to the sword, except it was slightly tinted purple. It was made by freezing grape juice in a sword-shaped mold. It was blessed by the priest, as to kill Kee-oth once he ingested it (thinking it was the demon blood sword).