Learn how to beat Mission 3 - Cultist Base mission in DOOM Eternal story campaign in this walkthrough. This guide includes tips, boss fights, secret collectible locations & more!
Campaign Progression & Walkthrough
<< Previous Mission | Next Mission >> |
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Exultia | Doom Hunter Base |
Mission 3: Cultist Base - Walkthrough
Cultist Base Walkthrough Flow Chart
No. | Procedure |
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1 | Use the Sentinel Battery and get the Ice Bomb. Take the lift to go to the Ripatorium |
2 | Eliminate all enemies and get your first Praetor Suit Point. Proceed to the Mission Teleporter to progress |
3 | Navigate your way across the expanse and punch the ice wall. Defeat all enemies in the area to advance |
4 | Press forward and access the lift. Continue moving and stand on the green spot to open the gate. Destroy all demons |
5 | Continue and get a Praetor Suit Point. Navigate the gaps and clear the area. Use the lift and time your swing to get the Cultist Key |
6 | Head to the left side of the door and use the walls to jump down. Punch the vent cover and drop down to get the Rocket Launcher |
7 | Punch the lever to raise the bar so that you can swing across and open the next area |
8 | Eliminate all enemies and stand on the green area to open the gate |
9 | Punch the block and use it to climb the upper floor. Destroy the 2 links to lower the bridge |
10 | Cross the bridge and clear the area of demons to raise a path. Stand over the green circles to move forward |
11 | Punch the cage and interact with the console. Kill all demons to raise the platform |
12 | Go around using the corridors and access a console to open the Sentinel Crystal and next door |
13 | Use the lifts and the hollow spaces in them to go to the upper floor |
14 | Control the Revenant and use it to kill all enemies then go get the Super Shotgun |
15 | Hand the Super Shotgun to the man, the myth, the legend |
16 | Use the lift and the Super Shotgun's Meat Hook to cross. Destroy all locks to reveal enemies in this area. Clear them all to proceed |
17 | Make use of the bars to swing yourself to activate the switch |
18 | Eliminate all enemies in the area. Punch the lever and head back down again and hit the green wall to open the gate |
19 | Use the Cultist Key to open the gate. Clear the area to unlock the door |
20 | Push the block to open a lift. Use the lift to jump up and smack the demon corpse to create a path |
21 | Purge all demons to open the gate to the train |
Mission With Lots Of Platforming

Mission 3 is a bit unique as it is quite lengthy and challenges the player with lots of platforming puzzles, requiring good timing and quick thinking to progress. Keep your eyes peeled for things and items you can interact with to advance!
1. Ice Bomb To Freeze Enemies

You are now armed with your second grenade! Use the Ice Bomb to freeze enemies in place. You can also use it to escape hairy situations. Ice Bomb and the Frag Grenade have separate cooldowns, so you can use both of them in quick succession.
Check Out The Ice Bomb Guide Here!2. Upgrade With Praetor Suit Points

Praetor Suit Points allow you to upgrade your mobility and survivability. It is different from Sentinel Crystals as it directly buffs your performance under certain conditions.
Check Out The Praetor Suit Point Guide Here!4. Fight The Mancubuses in Corridor

Mancubus can be a tough enemy especially in confined spaces.You can use the environment to one-hit kill the Mancubuses spawning in this segment. Wait for them to stand at the center and hit the green plate to release the blades.
Check Out The Mancubus Guide Here!6. Getting The Rocket Launcher

The Rocket Launcher is a weapon that fires explosive rockets, heavily damaging enemies in an area. Use this to quickly deal with threats from afar or clusters of enemies. Note that you can damage yourself with the rocket's explosion!
Check Out The Rocket Launcher Guide Here!13. Lift Puzzle and Jump-Dashing
How To Go To The Upper Level
1 | ![]() Click to Enlarge Wait for the left lift to go up. Ride in it and head to the lower level |
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2 | ![]() Click to Enlarge Use the boxes to climb up |
3 | ![]() Click to Enlarge Punch the lever and shoot the green panel before or during your jump |
4 | ![]() Click to Enlarge Use the bar to hurl yourself across and reach the climbable wall |
5 | ![]() Click to Enlarge Wait for the left lift to go down. Ride it to reach the upper level |
14. Controlling The Revenant

Make use of the Revenant's high mobility to evade and hit your enemies while hovering. Even with high health, the Revenant can fall if you're not careful! Clear the area to reveal the Super Shotgun.
Check Out The Revenant Guide Heer!15~16. Classic Super Shotgun With Grappling Hook

The Super Shotgun is a very deadly close-combat weapon, dealing twice the damage of the Combat Shotgun per shot. While it does have a longer reload time, it makes up for it with high explosive power. It also comes with the Meat Hook, a vicious grappling hook that you can use to pull yourself towards an enemy.
Check out Super Shotgun Guide Here!20. Using The Demon Corpse To Cross
How To Create A Path
1 | ![]() Click to Enlarge At the left side of the demon corpse, you can see a bar and a climbable wall. Position yourself and use the bar to reach the wall |
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2 | ![]() Click to Enlarge Use double jump and dashes to reach the other side's wall |
3 | ![]() Click to Enlarge Climb up and drop down to the other side. Punch the block to open a jump pad |
4 | ![]() Click to Enlarge Use the jump pad and smack the demon corpse to make a bridge |
Mission 3 Cultist Base Challenge List
Pull The Crystal | Acquire 1 Sentinel Crystals. |
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Armored Rain | Ignite 4 Demons with a single blast of the Flame Belch. |
Master Of Turrets | Destroy an Arachnotron turret. |
Complete To Get Weapon Points
Completing an objective in a mission's challenge list rewards you with a Weapon Point. Weapon Points can be used to increase the effectiveness of your weapon mods.
Complete All For A Sentinel Battery
Clearing all challenges in a mission rewards you with a Sentinel Battery that can be used to open the locked doors in the Fortress Of Doom.
Related Guides | |
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Mission 3: Cultist Base - Upgrade & Collectible Location
Upgrade & Collectible Location & Map
Click on the collectible for instruction on how to get to their locations.
Collectible | Quantity |
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ModBot | 1 |
Extra Life | 6 |
Cheat Code | 1 |
Rune | 1 |
Praetor Suit Points | 5 |
Sentinel Crystal | 1 |
Sentinel Battery | 3 |
Secret Encounters | 2 |
Slayer Key & Gate | 1 |
Toy | 2 |
Album | 1 |
Codex Entry | 1 |
AutoMap | 1 |
Modbots
There is only 1 Modbot in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge Located after the battle after you get the Rocket Launcher |
Extra Life
There are 6 1-Ups in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge In the first battle area, head under the steel structure and look down on the edge. Fire at the red explosive to your left to lift the Extra Life |
2 | ![]() Click to Enlarge At the right side of the area before you get the Cultist Key, shoot at the panel to reveal a climbable wall. Use it to jump to the Extra Life |
3 | ![]() Click to Enlarge Located in the battle area after you get the Rocket Launcher |
4 | ![]() Click to Enlarge Smack the switch and use the bars to reach the wall. Use the wall to jump to get this one |
5 | ![]() Click to Enlarge Can be found just before you reach the light puzzle. You need to jump back to reach this one. |
6 | ![]() Click to Enlarge At the light puzzle area, use jump from the ledge into a cave below |
Cheat Code
There is only 1 Cheat Code in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge In the hall with 9 pillars, just after you get the Super Shotgun, clear the area of enemies. Use the bars to swing yourself into the hollow space of the central pillar. |
Runes
There is only 1 Rune in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge Located in the path after you get the Rocket Launcher |
Praetor Suit Points
There is are 5 Praetor Suits in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge Located directly at the path to the Cultist Key |
2 | ![]() Click to Enlarge To reach this one, head to the corridor after you get the Modbot, then punch the wall to your left to reveal a path leading down. |
3 | ![]() Click to Enlarge Located at the lower level of the lift puzzle |
4 | ![]() Click to Enlarge Located in the circular chamber after the trapped hallway |
5 | ![]() Click to Enlarge Can be found at the right side of the entrance before the final battle of this level |
Sentinel Crystal
There is only 1 Sentinel Crystal in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge The Sentinel Crystal can be accessed before you get the Super Shotgun |
Sentinel Battery
There are 3 Sentinel Batteries in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge In the first battle area, locate the switch and punch it to open the jump pad. Use the jump pad to reach this one |
2 | ![]() Click to Enlarge Located at the left side of the entrance to the main chamber |
3 | ![]() Click to Enlarge Upon reaching the upper level of the lift puzzle, use the right elevator to reach a higher floor then drop down to get this one |
Secret Encounters
There is are 2 Secret Encounters in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge This Secret Encounter is located beside the only Sentinel Crystal in this level |
2 | ![]() Click to Enlarge Located behind a breakable wall in an icy cave |
Slayer Gate & Key
No. | Map and Instructions |
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1 | ![]() Click to Enlarge Use the path underneath the giant demon corpse to get to the key |
Toys
There are 2 Toys in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge To reach the first toy, turn right at the green breakable wall to see another breakable wall. Punch it and jump from the ledge to reach the skull |
2 | ![]() Click to Enlarge Located in the hallway with dropping blades. Punch the vent to reveal this toy |
Album
There is only 1 Album in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge Under the light puzzle area, instead of heading to the right to the breakable wall, head left |
Codex Entry
There is only 1 Codex Entry in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge The only Codex in this area is just located to your right after you enter this level |
AutoMap
There is only 1 AutoMap in this mission.
No. | Map and Instructions |
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1 | ![]() Click to Enlarge You can access the AutoMap before you go to get the Super Shotgun |
Campaign Progression & Walkthrough
<< Previous Mission | Next Mission >> |
---|---|
Exultia | Doom Hunter Base |
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Story Mission Walkthrough

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