Ryu Ryu no Mi, Model Pachycephalosaurus
Ancient Zoan · current: Ulti
Profile
An Ancient-Zoan fruit of the Ryu Ryu no Mi (“Dragon-Dragon Fruit”) dinosaur line, granting a Pachycephalosaurus (dome-skulled) form; user Ulti. Named and shown Ch. 983 (p. 11), in a double-caption splash alongside Page One’s Ryu Ryu no Mi, Model Spinosaurus. Powers Ulti’s crater-leaving headbutt attacks.
User chain
| Order | User | How they acquired it | First use | Death/lost |
|---|---|---|---|---|
| 1 | Ulti | (unknown) | Ch. 983 |
Named techniques
| Technique | JP / romaji | Etymology | First use | User |
|---|---|---|---|---|
| Ulti-Mortar | — | a dome-skull headbutt that craters the floor | Ch. 983 | Ulti |
| Ulti-Meteor | — | a charging headbutt strike | Ch. 983 | Ulti |
Lore & theories
Part of the Ancient-Zoan dinosaur Ryu Ryu no Mi line wielded by the Animal Kingdom Pirates’ Tobi Roppo / Headliners — distinct from the SMILE-based Gifters. Sibling fruit to Page One’s Ryu Ryu no Mi, Model Spinosaurus (the two siblings’ fruits are co-captioned @0983). Cross-link Nature of Devil Fruits.
Caption reprinted Ch. 998 (p. 16) — Ulti rampaging outside the Onigashima dome in her Pachycephalosaurus form alongside Page One, hunting the escaped Usopp/Nami.