101Leafy researched the games.
Tigrex Katana

Long Sword made from Tigrex materials. Sharp blade makes mince meat of its victims.
| Class | Long Sword |
|---|---|
| Rarity | 7 |
| Attack | 1056 |
| Affinity | -25% |
| Slots | 0 |
| Price | 80,000z |
Upgrades
| Upgraded from | Tigrex Tooth |
|---|---|
| Upgrades into | Tigrex Great Katana |
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 696.