101Leafy researched the games.
Great Bagpipe

Made from rare ores to increase power. Its rhythmic tone imparts courage.
| Class | Hunting Horn |
|---|---|
| Rarity | 4 |
| Attack | 832 |
| Affinity | -5% |
| Defense | +15 |
| Slots | 1 |
| Price | 4,410z |
Upgrades
| Upgraded from | Metal Bagpipe |
|---|---|
| Upgrades into | Heavy Bagpipe |
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.