101Leafy researched the games.
Lost Babel

Named for the legendary tower, this Lance is truly a treasure to behold.
| Class | Lance |
|---|---|
| Rarity | 10 |
| Attack | 667 |
| Defense | +28 |
| Slots | 2 |
| Price | 110,000z |
Upgrades
| Upgraded from | Babel Spear |
|---|
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.