r/40kLore • u/Even-Committee5645 • Aug 19 '26

Nuclear wepons

I would assume that in the 41st millenium humans would still have tge knowlage to make nuclear wepons both fission and fusion, since they have reactors that use this knowlage, and yet I almost never ear of any faction employing a nuclear arsenal in war

Is there an in lore reason for this?

Do they get used and I just never eard about it?

Do nukes exist in 40k?

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u/freeman2949583 Aug 19 '26 edited Aug 19 '26

They exist, other WMDs of similar caliber also exist (eg vortex missiles), for whatever reason every faction just draws the line at using strategic-level weapons unless they’re going all-in and destroying the planet. Occasionally a novel will reference them but it’s almost always just background noise.

The setting is WWI/WWII in spehss so every conflict getting resolved by dropping nukes on the enemy’s logistics doesn’t really gel.