A distinctly warped skull that is far more durable than normal bone.
| Tackling the Tetsucabra | Reward1 | x1 | 12% |
| Tackling the Tetsucabra | Reward2 | x1 | 12% |
| Tackling the Tetsucabra | Reward1 | x1 | 7% |
| Tackling the Tetsucabra | Reward2 | x1 | 7% |
| High Rank | Tetsucabra | Body Carve | x1 | 18% |
| High Rank | Drilltusk Tetsucabra | Body Carve | x1 | 18% |
| High Rank | Drilltusk Tetsucabra | Body Carve | x1 | 18% |
| High Rank | Drilltusk Tetsucabra | Body Carve | x1 | 18% |
| Low Rank | Tetsucabra | Body Carve | x1 | 15% |
| Low Rank | Drilltusk Tetsucabra | Body Carve | x1 | 10% |
| High Rank | Tetsucabra | Wound Head | x1 | 25% |
| High Rank | Drilltusk Tetsucabra | Wound Head | x1 | 25% |
| High Rank | Drilltusk Tetsucabra | Wound Head | x1 | 25% |
| High Rank | Drilltusk Tetsucabra | Wound Head | x1 | 25% |
| Low Rank | Tetsucabra | Wound Head | x1 | 20% |
| Hunting Horn | Demon Block LV1 | x2 |
| Hunting Horn | Pierce Horn LV1 | x2 |
| Gunlance | Pierce Cannon LV1 | x2 |
| Hunting Horn | Demon Block LV4 | x3 |
| Long Sword | Aikuchi LV4 | x2 |
| Great Sword | Santoku Reaver LV4 | x2 |
| Bow | Demon Helm Bow LV2 | x2 |
| Bow | Demonic Bow LV4 | x2 |
| Switch Axe | Reckless Hatchet LV4 | x2 |
| Switch Axe | Pierce Axe LV6 | x4 |
| Gunlance | Red Devil Gunlance LV2 | x2 |
| Gunlance | Red Devil Gunlance LV4 | x3 |