101Leafy researched the games.
Raven Blade

A black Sword made from Yian Garuga materials. The edge easily shreds its victims.
| Class | Sword |
|---|---|
| Rarity | 5 |
| Attack | 210 |
| Affinity | 20% |
| Slots | 1 |
| Price | 10,000z |
Upgrades
| Upgraded from | Velocidrome Bite |
|---|---|
| Upgrades into | Wolf Blade |
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 698.
Materials
Garuga Tail ×1, Garuga Wing ×2, Garuga Scale ×3, Med Monster Bone ×3