101Leafy researched the games.
Ancient Relic

Large Bone Hammer with a shell made from a wyvern's skull. Beautiful and deadly.
| Class | Hammer |
|---|---|
| Rarity | 5 |
| Attack | 988 |
| Slots | 2 |
| Price | 7,150z |
Upgrades
| Upgraded from | Dragonhead Hammer |
|---|---|
| Upgrades into | Shell Castanet |
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.