101Leafy researched the games.
Mysterious Jaw

Made from the beak of a Blue Kut-Ku. You can hear the echo of anguished cries.
| Class | Hammer |
|---|---|
| Rarity | 9 |
| Attack | 1144 |
| Affinity | 20% |
| Slots | 2 |
| Table price | 80,000z |
Upgrades
| Upgraded from | Violence Hammer |
|---|
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 724.