101Leafy researched the games.
Khezu Thunder

Thunder Hammer resembling a Khezu in its electric glory. Its insides remain a secret.
| Class | Hammer |
|---|---|
| Rarity | 10 |
| Attack | 1456 |
| Thunder | 250 |
| Slots | 1 |
| Price | 120,000z |
Upgrades
| Upgraded from | Purse Bop+ |
|---|
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.