The automap also helps here and the location of the full automap is o n the way to the first cannon. Manage cookie settingsĪs always, it's worth noting that getting to the end of the mission enables Fast Travel so you can pick up collectables that you missed. To see this content please enable targeting cookies. The sixth mission of Doom Eternal has a jaw-dropping 25 collectable items. You'll also need to find the various secret encounter locations and the Slayer Key, so it's no mean feat to get everything. Doom Eternal Arc Complex collectables guide This is going to be a long one, so strap yourself in and let's get started. On top of that, there are the usual secret encounters, lot of enemies to kill, and even some challenges to finish. The sixth mission in Doom Eternal has the most collectables hidden within.