101Leafy researched the games.
King Thundersword
A blade that harnesses lightning and unleashes it into your victim's body.
| Class | Great Sword |
|---|---|
| Rarity | 8 |
| Attack | 816 |
| Thunder | 610 |
| Slots | 0 |
| Price | 60,000z |
Upgrades
| Upgraded from | Kirin Thundersword |
|---|---|
| Upgrades into | ImperialThundersword |
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 680.