101Leafy researched the games.
Tigrex Gunlance

Made from Tigrex. Its roar and shells are feared by wyverns. Shelling Lv3
| Class | Gunlance |
|---|---|
| Rarity | 7 |
| Attack | 506 |
| Affinity | -30% |
| Slots | 0 |
| Price | 80,000z |
Upgrades
| Upgraded from | Rex Blast |
|---|---|
| Upgrades into | GreatTigrexGunlance |
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 760.