101Leafy researched the games.
Tigrex Horn+

Hunting Horn made from Tigrex materials. The fierce dragon roar shakes the soul.
| Class | Hunting Horn |
|---|---|
| Rarity | 10 |
| Attack | 1508 |
| Affinity | -30% |
| Slots | 0 |
| Price | 125,000z |
Upgrades
| Upgraded from | Tigrex Horn |
|---|
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.