101Leafy researched the games.
Hi Twin Flames

With the Fire attribute of fire wyverns in tow, one attack is sure to be deadly.
| Class | Dual Blades |
|---|---|
| Rarity | 5 |
| Attack | 238 |
| Fire | 210 |
| Slots | 1 |
| Price | 5,720z |
Upgrades
| Upgraded from | Twin Flames |
|---|---|
| Upgrades into | Gradios Ultimus |
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 714.