101Leafy researched the games.
ThunderbugShockLance

A new blade-based Lance with a Great Thunderbug's spirit. Capable of high-volt shots.
| Class | Lance |
|---|---|
| Rarity | 9 |
| Attack | 598 |
| Thunder | 270 |
| Slots | 3 |
| Price | 110,000z |
Upgrades
| Upgraded from | Spark Plug |
|---|
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 746.