101Leafy researched the games.
Carmine Edge

Beloved weapon of a wild mercenary who slew 1000s. Retains its edge very well.
| Class | Dual Blades |
|---|---|
| Rarity | 9 |
| Attack | 336 |
| Affinity | 5% |
| Slots | 2 |
| Price | 85,000z |
Upgrades
| Upgraded from | Limb Cutter |
|---|---|
| Upgrades into | Red Rippers |
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 710.
Materials
TerraCeanatrClaw ×2, TerraCeanatrShl ×4, Piercing Claw ×8, Emperor Cricket ×10