101Leafy researched the games.
Bone Shooter IV
Though cheaply constructed, this bowgun is surprisingly reliable. It also makes an excellent base for further upgrades.
| Weapon Type | Heavy Bowgun |
|---|---|
| Rarity | 6 |
| Attack | 200 |
| Slots | Lv 2, Lv 1 |
| Skills | Guard Lv 3 Attack Boost Lv 1 |
Upgrade Materials
 Great Stoutbone | ×4 |
| Colossal Bone | ×2 |
| Required Cost | 10,000z |
|---|
Weapon Tree
Bone Shooter III- Bone Shooter IV
Heavy Shooter