101Leafy researched the games.
Tigrex Horn

Hunting Horn made from Tigrex materials. The fierce wyvern roar shakes the soul.
| Class | Hunting Horn |
|---|---|
| Rarity | 7 |
| Attack | 1144 |
| Affinity | -30% |
| Slots | 0 |
| Price | 80,000z |
Upgrades
| Upgraded from | Striped Dragonga |
|---|---|
| Upgrades into | 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.