101Leafy researched the games.
Eternal Eradicator

Forged by the descendants of a defeated clan, the hope of redemption fuels its power.
| Class | Great Sword |
|---|---|
| Rarity | 8 |
| Attack | 720 |
| Dragon | 840 |
| Slots | 1 |
| Price | 65,000z |
Upgrades
| Upgraded from | Eternal Annihilator |
|---|---|
| Upgrades into | Eternal Destroyer |
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 688.