101Leafy researched the games.
Cyclo-Hammer

Crafted from superior bone, this Hammer boasts improved Attack. The standard-bearer.
| Class | Hammer |
|---|---|
| Rarity | 1 |
| Attack | 468 |
| Slots | 0 |
| Price | 1,100z |
Upgrades
| Upgraded from | Bone Club |
|---|---|
| Upgrades into | Atlas Hammer, Skullcrusher, Conehead Hammer, Bone Horn |
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 722.
Materials
Hard Ticket ×1, Sm Monster Bone ×1