101Leafy researched the games.
Queen Blaster I

Reliable deep green hunting Bow made from Rathian Shell. Can boost Poison effect.
| Class | Bow |
|---|---|
| Rarity | 4 |
| Attack | 204 |
| Slots | 1 |
| Price | 5,500z |
Upgrades
| Upgrades into | Queen Blaster II |
|---|
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 800.
Materials
Rathian Shell ×3, Monster Bone+ ×1, Rathian Scale ×5, Machalite Ore ×8