Warhammer 40,000: Space Marine 2 - Inferno Mission Walkthrough

Warhammer 40,000: Space Marine 2 has six playable PvE missions that act as bonus story missions that run parallel with the game's main narrative. They're identical in length and overall difficulty to the campaign, complete with set-piece encounters and even unique boss fights.
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PostsThe game's first PvE Operation, Inferno, is a simple mission that acts as a tutorial for Space Marine 2's multiplayer systems, notably classes and enemy reinforcements. You and two fellow Astartes must detonate a promethium refinery to liquefy the Tyranid swarm into molten slag. Bring the right wargear, coordinate your classes, and you'll crush any Tyranid that gets in your squad's way.
Recommended Loadouts
Enemy Faction
Tyranids
Boss Fights
None
Notable Enemies
Lictor, Zoanthrope (reinforcements)
Inferno is a mission that's filled with low-tier Tyranid enemies. There are no boss fights in this mission, so you'll want to bring weapons and melee weapons that are strong against hordes of enemies. Here is what we recommend bringing:
- Power Sword : The alternate stance makes short work of Hormagaunts and Warriors. Use charged attacks when possible.
- Bolt Carbine : Deals high DPS up close. Use this against Tyranid Warriors and Ravaners.
- Melta Gun: Similar to the Bolt Carbine but with less range.
- Plasma Pistol : Deals moderate AoE damage when charged.
As for classes, the Heavy and Tactical classes excel against Tyranids. The Heavy's primary weapon options melt through Tyranids like butter, provided your fireteam keeps you safe. Tactical Marines can mark Tyranids with their signature ability, greatly increasing your team's damage output. If you prefer a more hands-on approach, the Bulwark can outright tank for your team while dishing out great damage with the Power Sword.
Reach The Astra Militarum Camp
Titus will direct your team toward a nearby Astra Militarum camp that has gone dark. You'll have to fight against small packs of Tyranid forces as you carve a path through the jungle. The first few sets of enemies will be Tyranid Warriors, somewhat tanky units that spam parry attacks. You'll want to get into melee range and parry their attacks, opening them to gun strikes. Weapon-focused classes like the Heavy will want to stay back instead, fighting them from afar.
CloseYou'll eventually reach a section with a narrow bridge and a handful of Warriors. Do not let the Warriors call reinforcements, or else you'll need to fight dozens of fodder enemies and a Zoanthrope duo. Be sure to grab the nearby supplies before proceeding. If you get surrounded, a single finisher against a Tyranid Warrior will instantly kill all nearby Hormagaunts. Refill your ammo reserves before pushing into the abandoned camp.
Search For Demolition Codes
Stalling the Tyranid swarm will require you to detonate generators from underneath the planet's surface, but doing so will require demolition codes. Inspect the dead guardsman for the codes. It can be on any of the five dead bodies.
Proceed To The Promethium Refinery
The fight towards the Promethium Refinery can be a major challenge while playing solo or on higher difficulties. Be sure your team is reloaded and healthy before you start. Once you exit the jungle, you'll be swarmed by dozens of Tyranids.
Focus on executing a Hive Warrior as quickly as possible. This will clear out most of the Hormagaunts right away. As you push closer to the facility, additional Warriors and a high-tier enemy will ambush your squad. It has always been a Lictor on our runs, but a Zoanthrope duo might also be a possibility. For Lictors, simply wait for them to appear and parry them as soon as possible. Perform a gun strike and melt their health bar.
Await Bomb Deployment
Now that your squad is inside the facility, you'll need to defend a set of generators against waves of Tyranid forces. They seem to converge on Generator Four on the lower floor, but this might change based on how your squad plays. Most of the enemies will be Hormagaunts and Warriors in the initial wave, nothing an Astartes can't handle.
A Melta Bomb can be found next to the ammo stockpile in this arena. Use it for the Extremis enemy that spawns in the next wave.
After clearing the first few enemies, an Extremis-class enemy will spawn in the refinery. On lower difficulties, this will always be a set of Zoanthropes. You'll need to shoot at whichever enemy doesn't have a green energy shield. Whichever enemy is projecting an energy shield is impervious to all incoming damage. Hit the vulnerable target until they gain a shield, hit the other Zoanthrope, and repeat as needed until both are slain.
The bomb should be deployed by now. You can now use the exit doors across the ammo stockpile to enter the refinery. Inside will be another set of Tyranid forces, one of which will attempt to Rally for reinforcements. Strike them down before they can spawn more Tyranids. Use the elevator at the end of the path to reach the detonation controls outside.
Hold Until The Swarm Is In Position
CloseWhile the bomb is ready to detonate, the heart of the swarm needs to get in position. Your team must defeat three waves of Tyranids and detonate the bomb before you can extract. Despite the objective stating you simply need to hold position, this objective doesn't progress until you've killed enough enemies; staying alive isn't enough.
A small part of the swarm will make a detour to fight your squad right away, climbing the walls near the front of the refinery. Grenades and a healthy dose of Chainsword swings should keep the Hormagaunts at bay, but tougher Warrior units will spawn on the refinery platform after a short delay. Kill the ranged Warrior units first, as they pose the largest threat to your squad.
During the final wave, Tyranids will spill onto the platform directly through a back entrance just under the ammo stockpile. A Lictor will also spawn shortly afterward. Whoever is a dedicated melee class should execute a Warrior immediately. This will kill most of the Hormagaunts and bait the Lictor out of hiding. Parry the Lictor, then have all three players gun it down while it's staggered.
This should be enough bloodshed to make the swarm happy and get them into position. Detonate the bomb on the landing platform and run for the evac shuttle. Your squad will evacuate once everyone is on board.
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