101Leafy researched the games.
Cutlass

Dual Water Element Swords. Superior Sharpness and high Defense, but no Guard.
| Class | Dual Blades |
|---|---|
| Rarity | 3 |
| Attack | 168 |
| Water | 150 |
| Defense | +8 |
| Slots | 1 |
| Price | 2,920z |
Upgrades
| Upgraded from | Chief Scythe |
|---|---|
| Upgrades into | Cutlass+ |
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 710.