101Leafy researched the games.
Jungle Bongo

An even more tropical Hunting Horn with even hotter beats than before.
| Class | Hunting Horn |
|---|---|
| Rarity | 9 |
| Attack | 1248 |
| Slots | 0 |
| Price | 85,000z |
Upgrades
| Upgraded from | War Conga |
|---|---|
| Upgrades into | Jungle Conga |
Can also be made new at the smithy.
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
E.CongalalaPelt+ ×8, Vibrant Comb ×1, Massive Bone ×4, Emperor Cricket ×5