Warhammer 40,000: Space Marine 2 Hotfix 15.1 makes substantial PvE balance changes to the One Handed Thunder Hammer and Melta weapons. The Thunder Hammer receives major damage increases across several attacks, while Melta Rifles and Heavy Melta Rifles get adjustments to damage falloff and ammunition capacity.
The hotfix also addresses issues across Crucible, Chaos Siege, customization, PvP, campaign, pickups, and general stability. Several quality of life improvements are included as well, such as a brief invulnerability window after recovering from knockback.
Gameplay and Balancing Tweaks
Melee in PvE
- One Handed Thunder Hammer base damage increased by 10 percent.
- Temporarily removed the forced stagger from charging stances.
- Forced stagger is planned to return in the next patch after further changes to make it less spammable.
- Underhand Swing damage increased by 67 percent.
- Echoing Swing wave damage increased by 100 percent.
- Energised Strike damage increased by 100 percent.
- Energised Strike damage radius increased by 50 percent.
- Improved control responsiveness after Energised Strikes.
- Charged attack damage increased by 25 percent.
- Greatly improved Charged Attack cleave.
One Handed Thunder Hammer Perks
- Charge Overflow duration increased to 20 seconds.
- Rapid Recharge cooldown reduced to 15 seconds.
- Deflective Charge cooldown reduced to 20 seconds.
- Fixed an issue where the second hit of Reverberating Slam could sometimes deal incorrect damage and fail to benefit from perks.
- Perfect Reprisal now affects all Light Attacks during its seven second duration instead of only the first Light Attack.
- Preparedness now triggers only from One Handed Hammer kills rather than while the One Handed Hammer is equipped.
- Brutal Reforge now triggers only from One Handed Hammer kills rather than while the One Handed Hammer is equipped.
Heroic One Handed Thunder Hammer
- Power Maul damage bonus for each charge increased to 30 percent.
Firearms in PvE
- Melta Rifle Standard-Issue and all non-range-specialized versions now begin damage falloff at 3 meters instead of 5 meters.
- Melta Rifle default maximum ammunition increased by 2, bringing the total to 12.
- Melta Rifle default magazine size increased by 1, bringing the total to 6.
- Master-Crafted – Beta, Drogos Reclamation – Alpha, and Ophelian Liberation – Alpha Melta Rifle versions receive a 1-round increase to magazine size and maximum ammunition.
- Master-Crafted – Alpha Melta Rifle damage falloff start point increased from 2.5 to 5 meters.
- Salvation of Bakka Melta Rifle damage falloff start point increased from 3 to 5 meters.
- Gathalamor Crusade Melta Rifle damage falloff start point increased from 3.5 to 5 meters.
- Heavy Melta Rifle Standard-Issue and all non-range-specialized versions now begin damage falloff at 3 meters instead of 2 meters.
- Master-Crafted – Alpha Heavy Melta Rifle damage falloff start point increased from 3 to 6 meters.
- Salvation of Bakka Heavy Melta Rifle damage falloff start point increased from 4 to 6 meters.
- Gathalamor Crusade Heavy Melta Rifle damage falloff start point increased from 5 to 6 meters.
Pickups
- Fixed an unintended consequence of a previous relic spawn bug fix that made relic spawns more deterministic on higher difficulty levels.
- Fixed low-spawn-rate pickups such as Geneseed spawning outside playable areas on levels with branching paths.
Crucible
- Fixed an issue where previously selected Operation and difficulty settings could affect Crucible Mode.
- Added a Not Enough Penances notification when too few Penances are selected.
- Fixed Guardian Glyph Penance failing to revive a player affected by the Curse of the Warp Penance.
- Fixed Pandemonium Penance failing to increase Majoris enemy spawn rates in some cases.
- Increased Pandemonium Penance value from 15 percent to 25 percent.
- Fixed Madness Penance failing to increase the number of enraged Majoris enemies in some cases.
- Fixed an issue where players below Level 25 could enter a Crucible mission when two Level 25 players entered the ready zone.
- Updated the Quick Match window to display Bonus Crucible XP and Crucible XP separately.
- Disabled Corruptive Miasma Penance during certain boss sequences, including Heldrake and Hierophant.
Chaos Siege Mode
- Fixed an issue where players could take damage from friendly Chaos portals.
- Reduced summonable Hellbrute melee damage by 30 percent.
- Fixed several issues where weapons were not using Chaos skins in Chaos Siege.
- Improved Loyalist Marines’ effectiveness against cultists in Chaos Siege.
Customisation
- Fixed an issue preventing hoods from being recoloured.
- Fixed an issue preventing certain robes from being recoloured.
- Fixed an issue where cloth customization changes did not save between restarts.
- Added numerous minor customization fixes and improvements.
Quality of Life
- Added a small invulnerability window when players rise from knockback.
General Fixes
- Fixed Auspex Scan incorrectly buffing Gunstrike damage by default without perks, restoring the behavior from Patch 14.2.
- Fixed an issue where the Heroic Bolt Rifle’s Melta shot could deal different damage when equipped in the secondary slot with the Tactical Reserve perk.
- Fixed a PvP issue where abilities for all classes, including the Helbrute, could recharge twice as quickly as intended in some cases.
- Fixed an issue where the Elusive Fire perk did not work with the Heroic Melta Rifle.
- Fixed an issue where some Chaos Space Marine voiceovers were unprocessed in Chaos Siege.
- Fixed a campaign issue where players could spawn without the Thunder Hammer during the Dawn’s Descent mission.
- Added various minor UI and localization fixes.
- Added crash fixes and general stability improvements.
Warhammer 40,000: Space Marine 2 is a third-person hack-and-slash shooter developed by Saber Interactive and published by Focus Entertainment, released on September 9, 2024, for Windows PC, PlayStation 5, and Xbox Series X/S.
Are you excited about these changes? Let us know what you’re looking forward to in the comments!

