101Leafy researched the games.
Diablo Vest

Vest made by using the great horn of Diablos. Enough to scare away even a wyvern.
| Part | Body |
|---|---|
| Type | Gunner |
| Rarity | 4 |
| Defense | 20 |
| Fire Res | +5 |
| Water Res | +2 |
| Thunder Res | +4 |
| Ice Res | -1 |
| Dragon Res | 0 |
| Slots | 1 |
| Table price | 5,800z |
Listed in the equipment tables of 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 877.
Skill points
Materials
Majestic Horn ×1, Diablos Spine ×1, Diablos Shell ×2, Machalite Ore ×2