101Leafy researched the games.
Poison King

This piece's crafting method is forbidden knowledge, but it's making a comeback.
| Class | Great Sword |
|---|---|
| Rarity | 9 |
| Attack | 1296 |
| Poison | 470 |
| Affinity | 10% |
| Slots | 0 |
| Price | 115,000z |
Upgrades
| Upgraded from | Slaughter+ |
|---|
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.