101Leafy researched the games.
Melynx Tool

A Melynx's favorite club. Simply holding it will make thievery second nature.
| Class | Sword |
|---|---|
| Rarity | 3 |
| Attack | 126 |
| Paralysis | 340 |
| Slots | 0 |
| Price | 1,290z |
Upgrades
| Upgraded from | Catspaw |
|---|---|
| Upgrades into | Melynx Gadget, Shaka Poison Bite |
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 704.