101Leafy researched the games.
Royal Lobster Hammer

Made from a lobster shell. Like its material, it increases Water element.
| Class | Hammer |
|---|---|
| Rarity | 9 |
| Attack | 1144 |
| Water | 350 |
| Slots | 2 |
| Table price | 90,000z |
Upgrades
| Upgraded from | King Lobster 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 722.