101Leafy researched the games.
Tornado Tomahawks

Well-balanced, powerful twin axes. In the right hands, it can conjure up a tornado.
| Class | Dual Blades |
|---|---|
| Rarity | 9 |
| Attack | 322 |
| Slots | 0 |
| Price | 75,000z |
Upgrades
Can also be made new at the smithy.
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 712.
Materials
Eltalite Ore ×8, Carbalite Ore ×15, Antiseptic Stone ×20, Monster Essence ×5