101Leafy researched the games.
Eager Cleaver

A beautiful blade forged by an aimless wanderer from the Orient who soon disappeared.
| Class | Long Sword |
|---|---|
| Rarity | 3 |
| Attack | 624 |
| Thunder | 250 |
| Slots | 0 |
| Price | 3,650z |
Upgrades
| Upgraded from | Iron Katana "Gospel" |
|---|---|
| Upgrades into | Devil Slicer |
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 692.