101Leafy researched the games.
King Teostra Blade

Crimson blade that holds the power of Teostra. An elegant way to scorch the earth.
| Class | Great Sword |
|---|---|
| Rarity | 8 |
| Attack | 816 |
| Fire | 620 |
| Slots | 0 |
| Price | 90,000z |
Upgrades
| Upgraded from | Teostra Blade |
|---|---|
| Upgrades into | Teostra del Sol |
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 686.