101Leafy researched the games.
Gravedigger

Technology used on giant drilling tools applied to weaponry. Rock-cutting time!
| Class | Lance |
|---|---|
| Rarity | 9 |
| Attack | 644 |
| Slots | 1 |
| Price | 105,000z |
Upgrades
| Upgraded from | SanctionedDrillLance |
|---|
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 744.