101Leafy researched the games.
Fist of Fury

Sticks and stones may break bones, but a giant bone fist break bodies... Painfully.
| Class | Hammer |
|---|---|
| Rarity | 7 |
| Attack | 1144 |
| Affinity | -10% |
| Slots | 1 |
| Table price | 35,000z |
Upgrades
| Upgraded from | Iron Devil |
|---|---|
| Upgrades into | Ancient Blow |
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 720.