101Leafy researched the games.
Bone Slasher

A Great Sword made with high quality bone. Not as sharp as steel, but very powerful.
| Class | Great Sword |
|---|---|
| Rarity | 1 |
| Attack | 432 |
| Slots | 0 |
| Price | 1,100z |
Upgrades
| Upgraded from | Bone Blade+ |
|---|---|
| Upgrades into | Golem Blade, Finblade, Chick Decapitator, Red Wing |
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 680.
Materials
Hard Ticket ×1, Brute Bone ×1