
All of these weapons (barring the Unmaykr) are required for the story to progress.


The player can obtain several weapons in the Fortress of Doom over the course of the game's story after specific missions the flame belch is introduced after Hell on Earth, the ice bomb is introduced after Exultia, the ballista is obtained after Doom Hunter Base and the Unmaykr is unlocked after obtaining six Empyrean Keys as early as after Taras Nabad. It offers an in-game setting to display the Easter egg items collected by the player, unlock various items, as well as practice safe fights in the "Ripatorium". The Fortress of Doom is a massive Sentinel space station, serving as a central hub and player base in Doom Eternal.
