101Leafy researched the games.
Poison Serpentblade

Made according to tradition from Remobra material. Poison seeps from red fangs.
| Class | Great Sword |
|---|---|
| Rarity | 6 |
| Attack | 864 |
| Poison | 380 |
| Slots | 2 |
| Price | 40,000z |
Upgrades
| Upgraded from | Deadly Serpentblade |
|---|
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 686.