One Piece: Boa Hancock's 1.659 Billion Berries Bounty, Explained

gamerant.com:

Boa Hancock is one of the most powerful characters in the world of One Piece. Introduced before the two-year timeskip, Hancock is the captain of the Kuja Pirates and the Empress of Amazon Lily, a secluded island in the Calm Belt of the One Piece world. The Kuja are known to be a tribe of powerful women all of which can use Haki. This tribe admires strength as beauty and Hancock, being the most beautiful of them all is, naturally, the strongest on the island.

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At a very young age of 18, Hancock was made the captain of the Kuja Pirates. At the same time, she received an 80 million berry bounty after her very first voyage and, immediately after, she was granted the status of Shichibukai. As confirmed in the latest Reverie, Hancock is no longer one of the Warlords of the Sea and, thus, is hunted once again. The Marines reinstated a bounty on her head and One Piece 1059 revealed this reward to be 1.659 billion berries for many reasons.

Hancock belongs to the Kuja tribe which is known throughout the One Piece world for their skills and mastery of Haki. This was made clear to the fans when Luffy was sent to the island by Bartholomew Kuma, one of the former Warlords of the Sea. Even people who were not a part of the Kuja Pirates were capable of using Haki and storing it within their weapons to increase their attacking potency. Those who were a part of the crew were revealed to be even stronger. Hancock's two sisters were incredibly powerful and gave even Luffy quite a difficult time with their Haki. Evidently, Hancock being the strongest of all, has a powerful Haki as well. She is a user of all three types of Haki, making her one of the very few people with these skills.

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