Black Bull

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The Black Bull (ブラックブル) is a powerful creature in the Black Arms. It resembles a cross between a giant maggot and a dragon. Due to its large blubbery body, its only weak spot is its single green eye. It can breathe fire and produce Black Wings from its mouth. It appears as a boss after you complete the Lethal Highway or Death Ruins stages. In Lethal Highway, Black Doom refers to Black Bull as a god.