101Leafy researched the games.
Bladed Edge

Incredibly sharp weapon made from Shogun claws. Carries 6 deadly blades.
| Class | Dual Blades |
|---|---|
| Rarity | 4 |
| Attack | 210 |
| Slots | 2 |
| Price | 3,400z |
Upgrades
| Upgraded from | Chief Scythe |
|---|---|
| Upgrades into | Bladed Edge+ |
Can also be made new at the smithy.
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 708.
Materials
Ceanataur Claw ×2, Ceanataur Shell ×4, Sm Ceanataur Shl ×6, Carpenterbug ×8