This resource is needed to craft the following items.
- Corruption Arrow (2 Metalburn)
- Icerail Ammo Pouch Upgrade 1 (5 Metalburn)
This resource is needed to buy the following items.
- Map - Ancient Vessels (1 Metalburn)
- Banuk Ice Hunter Light (1 Metalburn)
- Carja Sharpshot Bow (10 Metalburn)
- Metalburn seems to be some sort of extreme oxidizing agent.