101Leafy researched the games.
Blue Claw Blade

Sharp Great Sword made from blue shell. Only the finest materials used in its blade.
| Class | Great Sword |
|---|---|
| Rarity | 4 |
| Attack | 816 |
| Slots | 0 |
| Price | 4,900z |
Upgrades
| Upgraded from | Ceanataur Blade |
|---|---|
| Upgrades into | Killer's Scythe |
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 682.