101Leafy researched the games.
Black Doom Flame

Fire Sword tinted black with rage. The black shape is said to be a volcano king.
| Class | Sword |
|---|---|
| Rarity | 7 |
| Attack | 308 |
| Fire | 280 |
| Affinity | -25% |
| Slots | 2 |
| Price | 70,000z |
Upgrades
| Upgraded from | Flame Syphos |
|---|---|
| Upgrades into | Red Divine Flame |
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 704.