101Leafy researched the games.
Silhouette Sabers

Seemingly normal Dual Blades, but sealed within is the spirit of ancient times.
| Class | Dual Blades |
|---|---|
| Rarity | 7 |
| Attack | 238 |
| Ice | 400 |
| Slots | 3 |
| Table price | 80,000z |
Upgrades
| Upgraded from | Hi Twin Daggers |
|---|
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 716.