101Leafy researched the games.
Hard Bone Lance

Lance made with superior quality bone. Widely admired for it rough exterior.
| Class | Lance |
|---|---|
| Rarity | 6 |
| Attack | 460 |
| Slots | 0 |
| Price | 25,000z |
Upgrades
| Upgraded from | Ogre Tusk |
|---|---|
| Upgrades into | Hard Bone Lance+ |
Can also be made new at the smithy.
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 748.
Materials
Stout Bone ×5, Giant Bone ×15, Iron Ore ×30
Plus Class Tcket ×1, Stout Bone ×1