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Doom: The Dark Ageshas several chapters, each with its own completion rate that depends on the collectibles you’ve acquired in the playthrough. Chapter 4, Sentinel Barracks, introduces a cool new weapon called the Shredder, and also includes a fun boss fight at the end with an iconic boss from the series. However, there are also several easy-to-get and well-hidden collectibles throughout the chapter that players need to acquire to get a 100% completion rating. Here’s all of them.
All Collectibles in Doom The Dark Ages Chapter 4 Sentinel Barracks
There areseven different types of collectiblesthat players must hunt down inDoom The Dark AgesChapter 4 Sentinel Barracks. Most of them are usually common among other chapters, with a few exceptions, like the Demonic Essence - Armor, which’s unique to this one (and a few others). Here’s a complete breakdown of all the collectibles in this chapter.
The collectibles below are mentioned in order of appearance during a player’s natural progression through chapter 4.
#1 First Secret Area with Gold & Hell Knight Toy
The first series of collectibles can be found early on, rightafter you get the Shredder weaponand survive a room full of demons. Make your way to the exterior of the castle and defeat the armored Mancubus.
Once you head back inside while following the quest marker, you’ll arrive in a hallway full of shielded demons with a Mancubus at the end. Instead of engaging the enemies ahead,look to the left at the start of the hallway and break through the barrierwith Shield Charge to enter the first secret area ofDoom: The Dark AgesChapter 4.
Here you’ll findGold scattered around the area, and a Hell Knight figurineon the center platform. While exiting the area, you’ll also get additional Gold as you head up the stairs and back into the Mancubus hallway.
#2 Second Secret Area with Gold
After eliminating the Mancubus in the hallway, players will arrive in a room with an elevator and a button in the middle. Before interacting with the button, head towards the left of the elevator, and you’ll spot aneon green Shield Jump point. Use it to reach the upper level and collect all the gold here.
After reaching the other end of the corridor,use Shield Charge to push the huge blockto the other side. Now climb over the block to reach the second secret area above and loot all the gold here, including a gold chest.
#3 Gold Only
Return to the main hall and stand over the button in the middle to bring down the elevator. Once it’s down,use the Shield Saw Throw abilityto break the chain holding the elevator toreveal a pathway through the shaft.
Head into the next area by climbing across the elevator shaft, and you’ll reach acircular area with some gold in the middle. Entering this section will trigger a fight with demons ambushing the Doom Slayer.
#4 Third Secret Area with Gold and a Life Sigil
After clearing the enemies in the circular area and heading through the doors ahead, players will enter a hallway with demons rushing at them from the other side. Eliminate the enemies quickly by shooting at the explosive barrels on the ground. Once the area is cleared, you’ll spot alittle switch near a closed doorat the start of the area.
Once the switch is activated, follow the trail of gold to the upper section to findtwo big piles of gold, and a Life Sigil.
#5 First Ruby Location
After progressing further intoDoom: The Dark Ageschapter 4, players will naturally get the first Ruby part with the aid of a mission marker. The first Ruby can be found shortly after the previous collectible area, whenDoom Slayer receives transmission from Command Thirain a room full of soldiers.
#6 Fourth Secret Area with Gold and a Life Sigil
Aftercompleting the Defend the Barracks objectiveinDoom the Dark Ageschapter 4, players will eventually exit the castle and enter the open area. After arriving at the bridge, take a left turn and jump over the chasm to the field on the left.
Follow the trail of gold until you reach thefourth secret area holding a Life Sigil. you’re able to break out of the area by using Shield Charge on the barricade.
#7 Demonic Heart - Armor
After exiting the fourth Secret Area, head across the bridge, and you’ll face a swarm of demonic enemies with two Mancubi. Defeat the two Mancubi, and take out the Pinky Rider at the back to spawn a thirdarmored Mancubi with a shield iconon top of its head.
Defeat the armored Mancubus andperform a Glory Kill, which will let the Doom Slayer rip out its heart and crush it. This is theDemonic Heart - Armor that will increase maximum armorfor players.
#8 Fifth Secret Area with Gold and Second Ruby
After taking the Demonic Heart from the armored Mancubus, follow the critical path until youstumble upon a broken bridge. Down to the other half of the bridge and do a 180-turn to spot a hidden section beneath.
Jump over the chasm and climb up the ledge, but make sure to follow the path lined with gold. There are enemies in the next room, with fire traps erupting from the walls. Carefully eliminate the enemies while dodging the fiery traps. Progress further will lead players into the fifth secret area.Take the Ruby from the statuenear the closed gates and follow the path up to get more gold.
#9 Gold Chest
After exiting the fifth Secret Area in Chapter 4 ofDoom: The Dark Ages, players will return to the broken bridge. This time, head across the bridge and jump over the gap to reach the tower at the end. Head right, up the stairs, to arrive inthe tower’s room with a Gold chest in the middle. There’s also an invisible demon inside, so make sure to eliminate it while you’re there.
#10 Sixth Secret Area with Accelerator’s Nightmare Skin and Gold
After reaching the town area, drop down one level and head right towards the row of buildings. There’s astairway leading to the upper sectionof the area lined with gold.
Once you reach the sixth Secret Area, you can find the Nightmare skin for the Accelerator weapon right behind the group of soldiers, in thearea between buildings.
#11 Codex Page Location & Gold
Exit the sixth Secret Area inDoom the Dark AgesChapter 4, and jump down into the lower section of the town with swarms of enemies. After taking out some enemies, head up the stairs, and you’ll spot a large building at the corner of the map. There are afew carts opposite the buildingthat you’ll need to break to get stacks of Gold.
After that, proceed to the mission marker until you reach a door with a wooden barricade. Turn left from the door and go up the path to get thelast pieces of Gold in Chapter 4, alongside the Codex Entry.
