101Leafy researched the games.
Snow Venom

"Impossible to use" Ioprey materials make this Ice and Poison combo a reality.
| Class | Dual Blades |
|---|---|
| Rarity | 4 |
| Attack | 168 |
| Slots | 0 |
| Price | 5,080z |
Upgrades
| Upgraded from | Giaprey Claws+ |
|---|---|
| Upgrades into | Snow Venom+ |
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 710.
Materials
Iodrome Hide ×4, Giadrome Hide ×4, Giadrome Claw ×6, Poison Sac ×4