Sentinel battery
From DoomWiki.org
Sentinel batteries are items used to power Night Sentinel machinery. They are used to unlock bonus items in the Fortress of Doom.
Sentinel battery locations
- Exultia (1)
- Cultist Base (3)
- Doom Hunter Base (2)
- Super Gore Nest (3)
- ARC Complex (3)
- Mars Core (3)
- Taras Nabad (3)
In addition, extra batteries can be obtained by completing all challenges in a map.