101Leafy researched the games.
Dragon Rider Spear

Used by a mercenary leader who disappeared delving into wyverns. Nothing is sharper.
| Class | Lance |
|---|---|
| Rarity | 8 |
| Attack | 506 |
| Defense | +12 |
| Slots | 0 |
| Table price | 75,000z |
Upgrades
| Upgraded from | Grayburg Javelin |
|---|---|
| Upgrades into | Dragoon's Gáe Bulg |
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 746.