101Leafy researched the games.
Violet Buster

Gunlance that protects its user well while Shelling. Great Defense. Shelling Lv4
| Class | Gunlance |
|---|---|
| Rarity | 9 |
| Attack | 621 |
| Defense | +40 |
| Slots | 2 |
| Price | 115,000z |
Upgrades
| Upgraded from | Violet Cannon |
|---|
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 758.