101Leafy researched the games.
Fatalis Menace Lute

Horn of despair, its song causes listeners to turn into disheartened beasts.
| Class | Hunting Horn |
|---|---|
| Rarity | 10 |
| Attack | 1456 |
| Dragon | 320 |
| Slots | 1 |
| Price | 150,000z |
Upgrades
| Upgraded from | Fatalis Menace |
|---|
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 740.