A power armor prototype developed by the Enclave after the Great War. In October of 2080, A suit of this armor was sent to Vault 51 from the Whitespring Bunker, after ZAX 1.3c impersonated Dr Stanislaus Braun.
While considered a separate model of power armor, the Hellfire Prototype in Nuclear Winter is a cosmetic item for the player's power armor.
- The armor is obtainable after reaching a high enough rank in Nuclear Winter. The armor is cosmetic only.