101Leafy researched the games.
Red Dragonsword

Made from Lao-Shan's Horn and Firestone. A treasure. One of the dragon-killers.
| Class | Long Sword |
|---|---|
| Rarity | 5 |
| Attack | 768 |
| Dragon | 450 |
| Slots | 1 |
| Price | 40,000z |
Upgrades
| Upgraded from | Fire Dragonsword |
|---|---|
| Upgrades into | Smolder Dragonsword |
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 690.