Today I was playing Fallout 4 when I suddenly found a legendary enemy which dropped a laser rifle with 50 damage per extra case radiation, but then I proved I couldn't see the difference between this laser rifle and a normal rifle.

How does radiation damage work?

  • Please consider adding some screenshots and additional info backing up your comparison to help clarify your question. – user122639 Jan 4 '16 at 22:34
  • The quotient would be 50/total damage. So if the gun dpes 200 damage + 50 radiation damage, 20% of the damage will be radiation. Radiation is a damage type new to Fallout 4. How it works should not be difficult to answer, if it has not already been asked, before. – user106385 Jan 5 '16 at 1:12
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    @Timelord64 actually radiation damage is quite complicated in FO4, especially when it comes to the gamma gun. There's a whole wiki page dedicated to it. – l I Jan 5 '16 at 4:06
  • What do you mean you "proved" you "couldn't see the difference"? – DCShannon Jan 6 '16 at 23:21

All "Irradiated" legendary weapons deal radiation poisoning in addition to their normal damage.

Radiation poisoning (from the wiki) functions exactly like environmental radiation: each 1 point of radiation poisoning reduces max health by .1% (so 50 points of rad poisoning reduces max health by 5%). This gets reflected as actual damage, even if a character is at full health. Moreover, since this directly affects maximum health, this is damage that can't be healed: even legendary enemy mutations or the "resethealth" console command will restore health only up to any limits from radiation poisoning.

  • I'm assuming that ghouls (possible super mutants as well) are actually healed by radiation damage instead? – Broots Waymb Jan 5 '16 at 15:45
  • Ghouls have very high radiation resistance, so they are nearly immune to a radiation weapon. Super mutants are immune to radiation poisoning, but not actual radiation damage. – Kexlox Jan 5 '16 at 20:04

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