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The God Slaughtering Knife trembled crazily and instantly broke free of the snake head's mouth. It returned to Niu Thirteen's side. Niu Thirteen also instantly left the place. The next second, the snake head also bit the place where he was just standing.

He quickly appeared beside the Black Tortoise, and then fiercely chopped down with his saber on the back of the Black Tortoise.

However