A stout outer shell, much harder than a carapace. Also called Mediastinum.
| Hub G1 // Pecking Order | Reward1 | x1 | 100% |
| Hub G1 // The Bird Who Wood Be King | Reward1 | x1 | 100% |
| Hub G1 // Pecking Order | Reward1 | x1 | 12% |
| Hub G1 // The Bird Who Wood Be King | Reward1 | x1 | 12% |
| Hub G2 // Revenge from the Skies | Reward1 | x1 | 10% |
| Ruining the Ruins | Reward1 | x1 | 100% |
| Ruining the Ruins | Reward2 | x1 | 100% |
| Ruining the Ruins | Reward1 | x1 | 12% |
| Ruining the Ruins | Reward2 | x1 | 12% |
| G Rank | Yian Kut-Ku | Body Carve | x1 | 23% |
| G Rank | Yian Kut-Ku | Capture | x1 | 38% |
| G Rank | Yian Kut-Ku | x1 | 20% |
| Insect Glaive | Toucan Pike LV6 | x5 |
| Bow | Strange Kut-Ku Stave LV5 | Key x5 |
| Switch Axe | Sawbill Axe LV3 | Key x5 |
| Insect Glaive | Toucan Pike LV7 | x4 |
| Hunting Horn | Volcanic Rock LV1 | x2 |
| Heavy Bowgun | Super Kut-Ku Cannon LV6 | x4 |
| Light Bowgun | Kut-Ku Counterattack LV7 | x5 |
| Great Sword | Rooster Decapitator LV7 | x4 |
| Sword & Shield | Sage Sword LV2 | x3 |
| Hammer | Kut-Ku Thwap LV7 | x4 |
| Hammer | Great Gaiarch LV6 | x3 |
| Bow | Strange Kut-Ku Stave LV6 | x3 |
| Switch Axe | Soulbreaker LV6 | x3 |
| Switch Axe | Sawbill Axe LV4 | x3 |