101Leafy researched the games.
Black Cat Hammer

Made to resemble a black cat with a devious smile. A rare, highly desired color.
| Class | Hammer |
|---|---|
| Rarity | 6 |
| Attack | 676 |
| Paralysis | 380 |
| Slots | 0 |
| Price | 25,000z |
Upgrades
| Upgraded from | Black Cat Stamp |
|---|
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 726.