101Leafy researched the games.
Hypno Slide Whistle

Hunting Horn made from the Hypnocatrice. Not much for making noise. Causes Sleep.
A hunting horn worked through with Hypnocatrice's sleep-inducing poison. Although it is made from Hypnocatrice materials, its distinctive light, lively tone stimulates the brain directly, and far from making you sleepy, it drives the body into passionate motion. Many scribes have taken note of this contradiction, and it is being actively studied.
Our translation of 復刻 ハンター大全 (KADOKAWA / Enterbrain, 2014), page 161.
| Class | Hunting Horn |
|---|---|
| Rarity | 9 |
| Attack | 1040 |
| Sleep | 180 |
| Defense | +8 |
| Slots | 1 |
| Notes | Purple, Green, Blue |
| Table price | 105,000z |
Songs
| Notes | Song | Effect |
|---|---|---|
| Purple, Purple | Movement Speed Up | Faster movement with weapon drawn for 3 min *2 |
| Blue, Blue, Green | Wind Cancel | Unaffected by minor and major wind pressure for 3 min |
| Purple, Blue, Blue | No Stamina Loss [Hi] | Stamina does not deplete for 2 min 30 s |
| Purple, Green | Health Rec [Lo] | Restores 20 health (33% chance) or 10 (67%) |
| Green, Blue, Purple, Blue | Health Rec [Mid]&Antidote | Cures poison + restores 30 health (33% chance) or 20 (67%) |
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 166.
Upgrades
| Upgraded from | Hypno Whistle |
|---|
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 738.