101Leafy researched the games.
Ceanataur Blade

Sharp Great Sword made from blue shell. Only the finest materials used in its blade.
| Class | Great Sword |
|---|---|
| Rarity | 4 |
| Attack | 720 |
| Slots | 0 |
| Price | 3,650z |
Upgrades
| Upgraded from | Red Stripe |
|---|---|
| Upgrades into | Blue Claw Blade |
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.