A part carved from the head of a Gravios. Incredibly hard to work with.
| Hub G3 // Hunt-a-Thon: Gravios | Reward2 | x1 | 15% |
| Hub G3 // A Certain Gravitas | Reward2 | x1 | 15% |
| Village 9★ // Ore d'Oeuvres | Reward1 | x1 | 8% |
| Village 9★ // Ore d'Oeuvres | Sub | x1 | 8% |
| Village 9★ // Wish upon a...Gravios? | Reward1 | x1 | 8% |
| Village 9★ // Trouble Comes in Threes | Reward1 | x1 | 8% |
| Village 10★ // Bring Me My Sword | Reward1 | x1 | 8% |
| Village 10★ // Bring Me My Sword | Reward2 | x1 | 8% |
| Hub 6★ // A Cure for Cowardice | Reward1 | x1 | 8% |
| Hub 6★ // A Cure for Cowardice | Sub | x1 | 8% |
| A Cure for Cowardice | Reward1 | x1 | 10% |
| A Cure for Cowardice | Reward2 | x1 | 8% |
| High Rank | Gravios | Body Carve | x1 | 5% |
| High Rank | Gravios | Wound Head | x1 | 40% |
| G Rank | Shogun Ceanataur | Wound Shell 1 | x1 | 30% |
| G Rank | Gravios | Wound Head | x1 | 8% |
| Insect Glaive | Graviafaren LV1 | Key x2 |
| Heavy Bowgun | Gravios Howl LV1 | x2 |
| Sword & Shield | Flame Syphos LV1 | x1 |
| Lance | Gravios Spear LV1 | Key x2 |
| Gunlance | White Gunlance LV1 | Key x2 |
| Insect Glaive | Graviafaren LV1 | x2 |
| Heavy Bowgun | Gravios Howl LV2 | x2 |
| Sword & Shield | Flame Syphos LV1 | x1 |
| Hammer | Basarios Blow LV2 | x3 |
| Hammer | Shell Hammer LV2 | x3 |
| Lance | Gravios Spear LV1 | x2 |
| Gunlance | White Gunlance LV1 | x2 |