101Leafy researched the games.
Kirin Bolt Ultimus

Made from the rumored Kirin. A weapon that can unleash the power of lightning.
| Class | Sword |
|---|---|
| Rarity | 7 |
| Attack | 224 |
| Thunder | 340 |
| Defense | +10 |
| Slots | 1 |
| Table price | 50,000z |
Upgrades
| Upgraded from | Kirin Bolt+ |
|---|---|
| Upgrades into | Thor's Dagger |
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 702.