101Leafy researched the games.
Hidden Tone
Jet-black Horn. The master of the underworld uses this to direct the dead.
| Class | Hunting Horn |
|---|---|
| Rarity | 7 |
| Attack | 988 |
| Affinity | 40% |
| Slots | 1 |
| Price | 80,000z |
Upgrades
| Upgraded from | Striped Dragonga |
|---|---|
| Upgrades into | Demon's Darkflute |
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 742.
Materials
Black Narga Pelt ×6, NargaCuttingWing ×6, Narga Brain Stem ×1, Hrd Monster Bone ×4