101Leafy researched the games.
War Drum+

Uses a great deal of Conga fur. The rhythms can cheer the soul and boil the blood.
| Class | Hunting Horn |
|---|---|
| Rarity | 4 |
| Attack | 936 |
| Slots | 1 |
| Price | 5,040z |
Upgrades
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 732.
Materials
Plus Class Tcket ×1, Striped Skin ×1, Monster Bone+ ×1