101Leafy researched the games.
AncientDragonwoodLS

Translucent sword made of ancient Dragonwood. Seems to cut without touching.
| Class | Long Sword |
|---|---|
| Rarity | 9 |
| Attack | 960 |
| Paralysis | 250 |
| Slots | 2 |
| Price | 120,000z |
Upgrades
| Upgraded from | Fanatic Dragonwd LS |
|---|---|
| Upgrades into | AncientSlayrDrgnwdLS |
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 696.
Materials
AncientDrgnwood ×5, AncientDrgnmoss ×3, YamaTsukaFillet ×3, Thunderbug Jelly ×10