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The UAC Atlantica Facility is the first mission of The Ancient Gods - Part One, the first major DLC expansion of Doom Eternal.


In it, the Doom Slayer tries to gain access to the Seraphim's Key, guided by Dr. Samuel Hayden and the Intern, whilst battling the armies of Hell.


  • Get the Seraphim's Key
  • Locate the Seraphim

New Enemies


Completing both secret encounters in this level unlocks the Industrial Espionage skin for the Doom Slayer. Additionally, completing the level on Nightmare unlocks a new main menu background.



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