A striking Duramboros sacrum. Such tough, symmetrical bones are considered rare materials.
| Hub 1★ DLC // The Untamed Mountains | Reward1 | x1 | 6% |
| Village 10★ // Misty Peaks Missive | Reward1 | x1 | 5% |
| Hub 6★ // Marshlands Rag | Reward1 | x1 | 5% |
| Hub 7★ // The Peril of the Land | Reward1 | x1 | 5% |
| Hub 7★ // Searching for Secret Baths | Reward1 | x1 | 4% |
| Hub 7★ // The Beasts of Brawn | Reward1 | x1 | 4% |
| Hub G4 // Misty Opportunity? | Sub | x1 | 3% |
| Hub G4 // Misty Opportunity? | Reward1 | x1 | 3% |
| Hub G4 // A Titanic Clash | Reward2 | x1 | 3% |
| Village 6★ // Advanced: Twinkle Toes | Reward1 | x1 | 2% |
| Village 9★ // Mt. Duramboros | Sub | x1 | 2% |
| Village 9★ // Mt. Duramboros | Reward1 | x1 | 2% |
| Village 9★ // Earn Your Gear | Sub | x1 | 2% |
| Village 9★ // Earn Your Gear | Reward1 | x1 | 2% |
| Hub 6★ // The Moving Mountain | Sub | x1 | 2% |
| Hub 6★ // The Moving Mountain | Reward1 | x1 | 2% |
| Hub 6★ // For Whom the Gong Tolls | Sub | x1 | 2% |
| Hub 6★ // For Whom the Gong Tolls | Reward1 | x1 | 2% |
| Village 10★ // Duramboros Humpbreaker | Reward1 | x1 | 2% |
| Special Permit // Silverwind IX: Hunt | Sub | x1 | 2% |
| Misty Opportunity? | Reward1 | x1 | 3% |
| Misty Opportunity? | Reward2 | x1 | 3% |
| Hammer and Sickle | Reward2 | x1 | 3% |
| For Whom the Gong Tolls | Reward2 | x1 | 2% |
| High Rank | Duramboros | Body Gather | x1 | 6% |
| G Rank | Duramboros | Body Carve | x1 | 5% |
| High Rank | Duramboros | Body Carve | x1 | 4% |
| G Rank | Duramboros | Tail Carve | x1 | 4% |
| High Rank | Duramboros | Tail Carve | x1 | 3% |
| G Rank | Duramboros | Body Gather | x1 | 3% |
| High Rank | Duramboros | Capture | x1 | 6% |
| G Rank | Duramboros | Capture | x1 | 6% |
| Hunting Horn | Mountain Echo LV3 | x1 |
| Heavy Bowgun | Peaksmasher LV3 | x1 |
| Light Bowgun | Aldebaran Dreadgun LV3 | x1 |
| Long Sword | Wild Heights LV3 | x1 |
| Sword & Shield | Dendrotomy LV3 | x1 |
| Hammer | Duramboros Fellmace LV3 | x1 |
| Lance | Temblor Illboros LV3 | x1 |
| Switch Axe | Grunhart LV3 | x1 |