101Leafy researched the games.
Rouge Flames

Crimson Dual Blades with a deadly poison that sucks the life out of its victims.
| Class | Dual Blades |
|---|---|
| Rarity | 5 |
| Attack | 210 |
| Poison | 140 |
| Slots | 2 |
| Price | 10,000z |
Upgrades
| Upgraded from | Deadly Poison |
|---|---|
| Upgrades into | Dual Chameleos |
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 712.