101Leafy researched the games.
Great Demon Halberd

Made with the secrets of Oriental monks. Golden color holds a warrior's spirit.
| Class | Long Sword |
|---|---|
| Rarity | 8 |
| Attack | 912 |
| Thunder | 240 |
| Affinity | 10% |
| Slots | 0 |
| Price | 90,000z |
Upgrades
| Upgraded from | Demon Halberd |
|---|---|
| Upgrades into | GrtDemnHalberdRaksha |
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 694.