101Leafy researched the games.
Hellstinger

Made of Blangonga materials, this Gunlance has high Cold Effect. Shelling Lv3
| Class | Gunlance |
|---|---|
| Rarity | 7 |
| Attack | 414 |
| Ice | 320 |
| Affinity | 15% |
| Slots | 2 |
| Price | 50,000z |
Upgrades
| Upgraded from | Hellsting+ |
|---|---|
| Upgrades into | Demonic Blizzard, Desert Slingshot |
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.