101Leafy researched the games.
Venomous Perfume

Gunlance's poison reserve auto-releases a mist while sharpening. Shelling Lv4
| Class | Gunlance |
|---|---|
| Rarity | 10 |
| Attack | 644 |
| Poison | 240 |
| Slots | 1 |
| Price | 130,000z |
Upgrades
| Upgraded from | Venomous Attar |
|---|
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 756.