101Leafy researched the games.
Conehead Hammer+

Hammer made from Blango family materials, its blow can chill the soul.
| Class | Hammer |
|---|---|
| Rarity | 4 |
| Attack | 676 |
| Ice | 320 |
| Slots | 0 |
| Price | 4,250z |
Upgrades
| Upgraded from | Conehead Hammer |
|---|---|
| Upgrades into | Great Cone |
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 724.