101Leafy researched the games.
Sieglinde

The ultimate Golem Blade. Treated for A+ Sharpness. Male and female versions.
| Class | Great Sword |
|---|---|
| Rarity | 5 |
| Attack | 912 |
| Defense | +6 |
| Slots | 2 |
| Price | 8,000z |
Upgrades
| Upgraded from | Valkyrie 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 680.