Pestilent Mist is a Sorcery in Dark Souls 3. To cast a Sorcery you must use a Staff or Special Weapons that can cast Sorceries.

Pestilent Mist

Spell Type


Focus ConsumptionFocus Cost 13
Attunement SlotsSlots Used 1
Requirements 30 Intelligence
Type Lingering AoE



Highly dangerous sorcery employed by Dragon School spooks. Only taught to trusted members.

Releases dense mist that eats away at HP. Beware, as the caster is not immune to its effect.

A body caught in the silent mist cloud lies still, while the face twists in a tortured scream. The names of these learned sorcerers became feared for this gruesome spectacle.


Acquired From

  •  Can be bought from Orbeck of Vinheim for 1,000 souls after giving any sorcery scroll.




  • The damage dealt is a percentage of the enemy's max HP. The higher their max HP, the more damage it will deal, making it extremely effective against certain bosses, such as Darkeater Midir.
  • Acts similar to Lifedrain Patch from Dark Souls II.
  • It deals damage to everything in its radius, including the caster. Try not to stand in it after casting. However, it does not hurt friendly phantoms.
  • This spell doesn't deal poise damage and will not stagger an opponent.
  • Very useful in killing mob enemies such as the Deacons of the Deep or the large crowd of Jailers in the lower level of Irithyll Dungeon, when used in combination with a lure such as an Alluring Skull or Aural Decoy.
  • This spell will not aggro most enemies, but they turn around and face the cloud, with the exception of mimics.
  • Its damage was increased by 150% in the 1.08 Patch. This makes it a very deadly spell, especially due to the spell having a long lasting and large hitbox, which pretty much guarantees death for opponents stuck in tight spaces.
  • The overall damage and duration are fixed; damage boosting skills, items, rings (Crown of Dusk, Young Dragon Ring/Bellowing Dragon Ring, Clutch rings, Steady Chant, etc.) do NOT work. The damage also does NOT scale with your stats. (Easily verified against any mimic). 
  • Only one Pestilent Mist per player can exist at any given time. Any number of other phantoms may cast Pestilent Mist without removing the others.
  • Note that while its picture does have the same corroded scroll appearance shared by dark spells, it still gains no scaling whatsoever even when cast with the Izalith Staff. It may be a dark spell in flavor, but it isn't in practice.
  • A host is immune to Pestilent Mist when a friendly phantom casts it (tested against Dragonslayer Armour). This allows the host to pull in enemies (more effective while wearing the Skull Ring).
  • Using this sorcery on the Dragonslayer Armour will prevent his phase 2, and grant a unique death.  For this to occur, you must not damage the boss with ANY other damage type.  You must exclusively use the mist.  This will negate the lasers & incoming projectiles.
  • If used on the Curse Rotted Greatwood, you can completely avoid him breaking the ground, entering the new arena, and thus negating stage 2 entirely.  You can break the sac on his hand, and also on his leg, but not the main ball sacs.  Breaking the main front sacs are what triggers stage 2.  With his large size, it is quite easy to keep him in the mist while circling around and dodging.  
  • It is possible to use this spell on High Lord Wolnir without waking him at all.  Upon entering the boss fog, you must go to the right, and you want to be by his wrist with the 2 bracelets.  This is his left hand, (your right) and you can stay here indefinitely without waking Wolnir.  From here, you can safely cast he spell until his health is drained.  He will never wake, and will simply die once health reaches zero while all bracelets remain.  Aiming a little higher than normal will help prevent you from standing in your cast.  If you do this correctly, you can stand there and cast every so often while otherwise not moving.  Hitting Wolnir with ANY other type of damage will wake him, so stay patient, and don't use any attacks besides the mist.


  • Formerly called Pestilent Mercury, the Sorcery was renamed Pestilent Mist in Patch 1.15.
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    • Anonymous

      01 Mar 2020 16:52  

      For all you low level sorcerers, this thing is really good against deacons of the deep, just make sure not to stand in it.

      • Anonymous

        22 Oct 2019 11:07  

        This and Magic Shield is all you need against Midir. 100% Physical + high Dark absorbing shield in your left hand, a catalyst in your right, enough (Ashen) Estus and rings to increase defense or stamina regen. You won't need sorcery booster rings but having the Sage Ring equipped is recommended. That shield is a lifesafer, especially when Midir does his tailswipe.

        • Anonymous

          17 Aug 2019 18:24  

          Hey, I’m still struggling to beat Havel. I’m a strength build with full Dancer set, Claymore 10+, I use no miracles nor spells. Plus a Lothric Shield +9. I’m not sure what to do, any help?

          • Anonymous

            22 Jul 2019 04:35  

            In my oppinion, it should have a different sound and casting animation and be a pyromancy. "Pestilent" Mist. Pestilence, rot, poison, fire, etc. are all pyromancer territory, not a sorcerer's

            • Anonymous

              24 May 2019 01:45  

              I used this sorcery alone to kill Curse-rotten. Didn't hit a single nutsack. The lower fight arena didn't even open until he was dead. This is a sweet sorcery.

              • Anonymous

                21 Apr 2019 04:50  

                I wonder, does this alter the Ashes of Andariel main boss fight? It seems to change the way bosses react, as if being attacked is a requirement to set off their other phases, so would it be possible to skip one or more phases from that fight? Just food for thought. I'm sure as hell not going to try.

                • 29 Mar 2019 20:14  

                  When attempting to cast this spell it sometimes spawns right on top of me, and at other times several feet in some random direction. What determines where the mist even shows up?

                  • Anonymous

                    28 Mar 2019 13:59  

                    Extremely powerful pve spell especially if use while wearing slumbering dragon crest ring, it effectively doesn’t allow enemies to aggro and takes them down extremely quickly and has a near 100 percent chance to kill if they stay in the cloud

                    • Anonymous

                      14 Feb 2019 14:18  

                      The damage is independent from your INT. (Is that right?) and also modifiers (rings, dusk crown etc.) so how does it do more damage when you are at full hp?

                      • 09 Oct 2018 07:26  

                        Pestilent Mercury was such a better name. Brought up alchemy comparisons, as well as making sense as Mercury is real toxic. I get the translation argument, but I do feel like the "mistranslation" actually turned out to be an improvement.

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