Fallout – What exactly happens when something mutates

fallout-4

Several times now I've fought some legendary creature and in the middle of the fight they suddenly mutate and heal back to full. What other effects does this mutation do? Does this mean I can't 1 shot a legendary creature with a sneak attack?

Best Answer

This is all from my own observation and I don't have an official source for it. But since I play on survival and found a LOT of legendary enemies yet, they are kinda reliable.

A mutation in Fallout 4 causes the following things to happen to an enemy:

  • It will regain their health completely
  • It will get a damage boost of about ~50% (stronger enemies get more)
  • Certain enemies get a damage reduction against the damage you used most against him before mutation
  • It may get a random "perk" from a set list.

I could not find out the total amount of perks, but according to the stuff I've seen, this is what may happen:

  • Green aura: The mob deals much more radiation damage per second . Seen on a legendary glowing one at lvl 16 and a legendary ghoul at lvl 15.
  • Orange aura: The mob dealt additional DoT damage with each hit. Seen on various enemies past lvl 20. It seems to be seperated between nuclear DoT and "normal" DoT (maybe even poison DoT?), since, when I wear a power armor, some enemies which dealt huge DoT to me before barely dealt any DoT to me.
  • Red aura: The mob gets a huge damage boost to the boost he already gets. A muted watchbot almost killed me within 2 seconds when he didn't even deal half the damage before. Seen on this Watchbot ~ lvl 24.
  • Yellow aura: The mob has highly increased movementspeed. Seen on a Mr. Gutsy.
  • Nothing: The mob doesn't get an aura. Therefore, I assume it doesn't get any special perks. Not sure though, maybe it does, but a weaker version. Maybe also: The stronger the aura, the stronger the perk.
  • (Unsure!) Blue aura (???): Grants huge damage resistance to the resistance the mob already gets. Was curios, and it could survive 2 Fat Men. Seen only once on a radroach at lvl 26, seems to be extremely rare or I'm colorblind, I was quite tired when i encountered this.

This is all the information I could find out by now, maybe there is more, I'll update the answer once I know it.

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