People in the past said that it was the roar of Hyoe KUROTORI's decapitated body that was seeking for his head, and called this phenomenon 'donari' (roaring body) with fear.
人々は、首を切られた黒鳥兵衛の胴が首を求めて咆哮すると言い、「胴鳴り」と呼んで恐れた。