101Leafy researched the games.
Ivory Horn
An enormous Hunting Horn. Its tone inspires hunters to unlock the power within.
| Class | Hunting Horn |
|---|---|
| Rarity | 1 |
| Attack | 364 |
| Slots | 0 |
| Price | 585z |
Upgrades
| Upgrades into | War Drum |
|---|
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 730.
Materials
Brute Bone ×2, Blue Mushroom ×1