101Leafy researched the games.
Black Dragon Spear

The Lance of Fatalis. "Born of the Dragon's life blood, vent thy fury East!"
| Class | Lance |
|---|---|
| Rarity | 8 |
| Attack | 483 |
| Dragon | 320 |
| Affinity | -20% |
| Slots | 0 |
| Price | 100,000z |
Upgrades
| Upgraded from | Black Lance |
|---|---|
| Upgrades into | True Blk Dragon Spr |
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 752.