101Leafy researched the games.
Jadite Mace

Also known as the Dragon's Crown of Flame, its strike is like that of a meteor.
| Class | Hammer |
|---|---|
| Rarity | 5 |
| Attack | 780 |
| Fire | 260 |
| Slots | 0 |
| Price | 35,000z |
Upgrades
| Upgraded from | Tarnished Hammer |
|---|---|
| Upgrades into | Jade Mace |
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 726.