The thirteenth and final level of Doom Eternal, Final Sin, features a grand total of one collectible to find. You've ripped and teared countless minions of Hell, but one last foe remains... for now. In total, you'll find:
- 1 Codex Page
All Collectibles in Doom Eternal Final Sin
Codex Entry: Final Sin
After wall climbing your way up an elevator shaft, the Codex Entry: Final Sin will be next to a UAC hologram.