Here is the full list of all 21 Carrion achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Breach the Leviathan Reef Base
Breach the Botanical Gardens
Relive the Second Flashback Sequence
Breach the Hazardous Waste Landfill
Gain access to 1 Containment Unit
Breach the Uranium Mines
Relive the First Flashback Sequence
Breach the Military Junkyard
Breach the BSL-4 Research Ward
Harvest your first ripe juicy head
Nourish yourself
Locked