101Leafy researched the games.
High Sandman Spike

Sword with sleep inducing neurotoxin that works quickly on its victims.
| Class | Sword |
|---|---|
| Rarity | 7 |
| Attack | 252 |
| Sleep | 320 |
| Slots | 2 |
| Price | 55,000z |
Upgrades
| Upgraded from | Sandman Spike |
|---|
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 702.