101Leafy researched the games.
Wing Bow IV

The Hypnocatrice wings add Sleep Add ability, knocking prey out like a light.
| Class | Bow |
|---|---|
| Rarity | 9 |
| Attack | 348 |
| Slots | 1 |
| Price | 77,200z |
Upgrades
| Upgraded from | Wing Bow III |
|---|
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 798.