101Leafy researched the games.
Black Gore Buster

Black Gravios-based Gunlance fires shots as terrifying as its heat ray. Shelling Lv4
| Class | Gunlance |
|---|---|
| Rarity | 10 |
| Attack | 690 |
| Defense | +10 |
| Slots | 1 |
| Shelling | Long Type Level 4 |
| Table price | 115,000z |
Upgrades
| Upgraded from | Black Gore Cannon |
|---|
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 758.