101Leafy researched the games.
Lunar Recorder

A golden Hunting Horn. Dedicated to an ancient deity, it is a treasure.
| Class | Hunting Horn |
|---|---|
| Rarity | 10 |
| Attack | 1300 |
| Dragon | 420 |
| Slots | 2 |
| Price | 125,000z |
Upgrades
| Upgraded from | Gold Recorder+ |
|---|
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 734.