101Leafy researched the games.
Black Blade

Great Sword with a dark power. The despair within eats at its user.
| Class | Great Sword |
|---|---|
| Rarity | 5 |
| Attack | 720 |
| Dragon | 140 |
| Slots | 0 |
| Price | 15,000z |
Upgrades
| Upgrades into | Fatalis Blade, Fatalis Ancestor |
|---|
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 688.
Materials
Dark Stone ×1, Dark Piece ×4, Pokke Ticket ×1