The Hito Hito no Mi, Model: Baishinni (ヒトヒトの実, モデル：大妾不死 Human-Human Fruit, Model: Great Mummy) is an Ancient Zoan-kind of Devil Fruit, which allows its user to partially or completely transform into a Baishinni, a giant Mummy, at will.
Due to the nature of the species transformed into, the fruit grants an additionaly power. Jack is fully capable of manipulating the bandages wrapped around his body, stretching, expanding, hardening and much more.
The bandages of Jack's body are much more damaged by fire than anything else. Aside from that, the fruit possesses the standard devil fruit weaknesses.
- Band Festival (
帯包祭りBando Fesutibaru (Obimatsuri) lit. Dancing of Bandages)
- Hito (人) is the Japanese word for Human.
- Baishinni is the name of a famous japanese Mummy, and its used kanji (大妾不死) roughly translates to Giant Preserved Undead.
- Unlike many Zoans, Jack loses most of his features upon transforming, likely due to his body being completely covered in bandages.