101Leafy researched the games.
Feather Gunlance

Covered in Hypnocatrice plumage. Damage-resistant, easy to use. Shelling Lv2
| Class | Gunlance |
|---|---|
| Rarity | 6 |
| Attack | 368 |
| Sleep | 100 |
| Slots | 0 |
| Price | 50,000z |
Upgrades
| Upgraded from | Knight Lance |
|---|---|
| Upgrades into | Feather Gunlance+ |
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 758.
Materials
Top-GrdHypnoClaw ×5, OrangeHypnoPelt ×6, Killer Beetle ×20, Sleep Sac ×3