101Leafy researched the games.
Defender

A Great Sword that can also serve as a shield. Stresses defensive strength.
| Class | Great Sword |
|---|---|
| Rarity | 2 |
| Attack | 432 |
| Defense | +10 |
| Slots | 0 |
| Price | 1,400z |
Upgrades
| Upgraded from | Buster Sword+ |
|---|---|
| Upgrades into | Sentinel |
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 686.