Jack is one of Kaidou's three most powerful officers, known as the Calamities, and serves as a leading figure in the Beasts Pirates. He commands his own vessel, the Mammoth, and has built a reputation as someone who'd rather throw a punch than have a conversation—he's known to attack even his own crew without hesitation if they mess up. By his own admission, he's obsessed with destruction.
Built like a tank, Jack is an Ancient Zoan type who ate the Zou Zou no Mi, Model: Mammoth, giving him the size and strength to match his aggressive personality. His bounty sits at 1,000,000,000 Beli, reflecting just how dangerous he's considered across the seas.
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