101Leafy researched the games.
Dragon Destroyer

The claw of Lao-Shan, legend says this ancient weapon has the power to slay dragons.
| Class | Hammer |
|---|---|
| Rarity | 5 |
| Attack | 832 |
| Dragon | 170 |
| Slots | 0 |
| Price | 5,600z |
Upgrades
| Upgrades into | Dragonbreaker |
|---|
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.
Materials
Lao-Shan's Claw ×2, Lao-Shan's Shell ×5, Monster Bone+ ×5