Webthe first codex is unlocked following the main path during the mission, right after unlocking the weapon mod.
This will grant you the 'hell barges' entry.
Webuse our maps to find every hidden collectible in the game from albums, to cheat codes, empyrean keys, praetor suit points, secret encounters, sentinel.
Webdoom eternal 100% walkthrough (all secrets & collectibles) by infusco.
Full walkthrough featuring timestamps for every collectible.
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Webthe holt is the 3rd and final mission in doom eternal:
The ancient gods part 1 and contains 14 collectible locations (5 codex pages, 1 support rune, 1 slayer.
The codex page is right near the ledge, you can’t miss it.