Delirium is a zone-wide effect that spawns new enemies and empowers existing ones. This encounter is considered Extra Content and has a baseline 8% chance to appear in any non-unique map area.
Encounter rate
Delirium Mirrors can appear from the Torched Courts in Act 5 onwards at rate >8%. They stop appearing for characters with level 72 and higher for areas with level lower than 65[1].
In maps, Delirium Mirrors have a base 8% chance to appear in a zone.
Mechanics
Delirium Mirror
A Delirium mirror spawns on a map. It reflects the player's character as shown.
Randomly while players are completing the acts or running Maps, a Mirror of Delirium will spawn. They will always spawn within a close distance from the zone entrance.
Once a player passes through it, it spawns a gray mist that spreads outwards throughout the map, beginning the Delirium encounter.
Encounter
Delirium monsters spawn during an encounter. Reward type is
currency (bottom left).
New enemies and hazards can spawn within the mist and existing enemies can receive a Delirium modifier, making them stronger or giving them new attacks. All enemies in the mist are Delirious, giving them increased damage mitigation and damage. The further out you are in the mist, the stronger the effect.
Enemies in the mist can drop Cluster Jewels and 
Simulacrum SplintersStack Size: 300Combine 300 Splinters to create a Simulacrum.
Shift click to unstack.
(starting at maps).
As you kill enemies inside the mist, a reward bar on the bottom left will start filling up. Filling the bar will cause you to gain the reward type after the Delirium encounter, and can be filled multiple times. When the first bar reaches level 3, a second reward bar will appear, and at level 5 a third reward bar appears.
Scaling
Both monster increased damage, and less damage taken escalate the higher the percentage of delirious. Through empirical testing, it was possible to obtain accurate scaling estimates:[2]
| Delirious |
Increased Damage |
Less Damage Taken
|
| 20% |
~7% |
~19%
|
| 40% |
~13% |
~38%
|
| 60% |
~18% |
~58%
|
| 80% |
~24% |
~77%
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| 100% |
30% |
96%
|
Timer
The countdown timer displaying when the encounter is about to end.
Delirium encounters only last a short period of time. After a certain period of time, the mist will stop spreading, and start to dissipate outwards in a donut shape. If you step out of the mist for more than 5 seconds, the Delirium encounter will end. Any enemies outside the mist will have their Delirium modifiers removed. The encounter can also be prematurely ended by pressing a button on the bottom right (which can be key bound). Certain actions will pause or extend the time before the mist stops spreading. The mist also stops moving while there are no players in the instance.
The following will pause the mist timer:
The following will extend the mist timer:
Delirious map modifier
Map items can be affected by a special modifier which covers the entire map in mist permanently. The mechanics are similar to the Delirium that can randomly occur in a map, with the following exceptions:
- There is no Delirium Mirror. Delirium is already running from the moment the map begins.
- There is no timer. Delirium will remain in effect for the duration of the map.
- Rewards drop each time the bar is filled, instead of dropping only when the timer expires.
This modifier has five levels of strength, expressed as a percentage -- 20%, 40%, 60%, 80%, or 100%. The higher the percentage, the tougher the monsters and the greater the rewards. Enemies at very high Delirious percents are extremely tough, with even normal rarity enemies becoming comparable to high tier map bosses.
Map items can drop with this modifier present at any of the five levels of strength. Delirium orbs can be used on map items. An orb adds 20% delirium to a map item that does not already have the delirious modifier, or increases the map's existing delirium strength by one level (20%).
Rewards
Strange Voice
Starting from The Torched Courts (Act 5), a voice starts talking to the player whenever you touch a Mirror of Delirium. He has unique lines in Act zones.
List of Delirium modifiers
| Name |
Monster rarity |
Effect(s)
|
| Banishing Flame |
Normal/Magic |
|
| Cascading Storm |
Normal/Magic |
|
| Crushing Terror |
Normal/Magic |
|
| Diluting Touch |
Normal/Magic |
Diluting Touch debuff on hit
|
| Eroding Touch |
Normal/Magic |
Eroding Touch debuff on hit
|
| Paralysing Touch |
Normal/Magic |
Paralysing Touch debuff on hit
|
| Putrify Dead |
Normal/Magic |
|
| Shatter Dead |
Normal/Magic |
|
| Spatial Distortion |
Normal/Magic |
|
| Spawn Dead |
Normal/Magic |
|
| Vengeful Blast |
Normal/Magic |
|
| Vengeful Bones |
Normal/Magic |
|
| Vengeful Chase |
Normal/Magic |
|
| Vengeful Gang |
Normal/Magic |
|
| Vengeful Grip |
Normal/Magic |
|
| Vengeful Pack |
Normal/Magic |
|
| Vengeful Skyfire |
Normal/Magic |
|
| Vengeful Soul |
Normal/Magic |
|
| Vengeful Stalker |
Normal/Magic |
|
| Wasting Touch |
Normal/Magic |
Wasting Touch debuff on hit
|
| Winter Whorl |
Normal/Magic |
|
| Bolt Cross |
Rare/Unique |
|
| Burrowing Blade |
Rare/Unique |
|
| Conflagrating Path |
Rare/Unique |
|
| Crushing Leap |
Rare/Unique |
|
| Frozen Flume |
Rare/Unique |
|
| Glaciator |
Rare/Unique |
|
| Icicle Wreath |
Rare/Unique |
|
| Jagged Swell |
Rare/Unique |
|
| Ring of Fire |
Rare/Unique |
|
| Scatter Storm |
Rare/Unique |
|
| Scorched Earth |
Rare/Unique |
|
| Shockbomb |
Rare/Unique |
|
Version history
| Version
|
Changes
|
| 3.18.0 |
- The chance for Map Areas to contain a Mirror of Delirium no longer increases by a small amount for each other league, atlas or master mechanic that appears in that area. Instead, Map Areas now have an 8% chance to contain a Mirror of Delirium, with campaign areas from the Torched Courts onwards having a slightly higher chance.
|
| 3.14.0 |
- Reduced the chance for Map Areas to contain a Delirium Mirror by approximately 20%. The chance to encounter a Zana mission containing a Delirium encounter has also been lowered by the same amount.
- The Quantity and Rarity bonus applied to monsters from Delirium encounters has been lowered as is now more consistent across Monster rarities. Previously, Monsters of Normal rarity had a disproportionately larger amount of Quantity and Rarity being applied to them compared to Monsters of higher rarities.
|
| 3.11.0 |
- Delirium has been added to the core game. From the Torched Courts onwards, you'll have approximately a 5% chance to encounter a Mirror of Delirium in each area. Once you reach the Atlas, that chance will increase by a small amount for each other league, atlas or master mechanic that appears in that area. In other words, if your goal is to encounter Mirrors of Delirium then you are encouraged to use your Zana modifiers, master missions, sextants, and whatever else you have available to you.
- You'll now have a greater chance of finding Cluster Jewels through Delirium encounters, proportional to the number of rewards you earn during that encounter.
|
| 3.10.1c |
- Active Legion encounters now cause Delirium mist to pause its movement during both the Frozen phase and the Combat phase (previously was just the Frozen phase).
- Active Blight encounters now cause Delirium mist to pause its movement while you are within a large radius of Blight Portals, rather than the Ichor Pump. This is because Blight Portals can sometimes spawn very far away!
|
| 3.10.0e |
- Delirium mist now stops moving while all players in the area are engaged in a Blight Encounter, Betrayal Research encounter, Legion Encounter, Breach or Incursion.
- Activating or completing several time-consuming gameplay elements causes the Delirium mist to stop moving for a set amount of time based on the encounter type. The following conditions cause the Delirium mist to stop moving: an Abyss crack reaching its next location, defeating a Harbinger, defeating a Metamorph, defeating a Red Bestiary beast, defeating an Essence Rare monster, opening a Perandus chest, opening a Strongbox, completing a Blight encounter, completing a Legion encounter and defeating a Betrayal target.
- When you fulfill the requirements for a reward for the third time in a Delirium encounter, an additional reward type is now added and its requirements automatically fulfilled for the first reward. The new reward is fulfilled in tandem with the initial reward. In addition, when you fulfill the requirements for the initial reward a fifth time, a second reward type is added (again with the requirements automatically fulfilled for the first reward). These rewards are chosen at the exclusion of each other.
- Reduced the likelihood of receiving Generic, Weapon, Armour and Trinket reward types.
- Delirium mist now stops moving when no players are in the instance. This should allow players to leave an area to vendor and trade items during a Delirium encounter more freely.
|
| 3.10.0d |
- Delirium modifiers are now applied on a per-pack basis. This means that a given pack of monsters will only have a single Delirium modifier, rather than potentially having a variety of different modifiers.
- Reduced the difficulty of Delirium monsters at each mist depth.
- Significantly reduced the chance of Delirium modifiers appearing on monsters.
|
| 3.10.0 |
|
References
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| Cluster Jewel basetypes |
 Small Cluster JewelPlace into an allocated Small, Medium or Large Jewel Socket on the Passive Skill Tree. Added passives do not interact with jewel radiuses. Right click to remove from the Socket.  Medium Cluster JewelPlace into an allocated Medium or Large Jewel Socket on the Passive Skill Tree. Added passives do not interact with jewel radiuses. Right click to remove from the Socket.  Large Cluster JewelPlace into an allocated Large Jewel Socket on the Passive Skill Tree. Added passives do not interact with jewel radiuses. Right click to remove from the Socket.
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| Unique Cluster Jewels |
 MegalomaniacAdds 4 Passive Skills
Added Small Passive Skills grant Nothing
<3 Random notable mods>CorruptedIf you're going to act like you're better than everyone else, make sure you are.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  VoicesAdds 3 Jewel Socket Passive Skills
<Random empty passive skill node mod>CorruptedOnly a madman would ignore a god's instructions.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  Calamitous VisionsAdds Lone Messenger"Try as I might, I could not escape it.
When I closed my eyes, I saw only death.
Each breath tainted with the scent of seared and smouldering flesh,
And each sound tangled with pleas for mercy."Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  Kitava's TeachingsAdds Disciple of KitavaSavour the bitter, cherish the sweet,
For there may never be another chance to eat.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  Natural AffinityAdds Nature's PatienceYou can take the girl out of the woods, but you can't take the woods out of the girl.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  One With NothingAdds Hollow Palm TechniqueOnce you begin to rely on your weapons,
You ensure you can't live without them.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  The Front LineAdds Veteran's AwarenessIt was a great honour to fight at the front. The few that survived the initial charge were guaranteed fame and fortune.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  The InterrogationAdds Secrets of SufferingPain is a fine motivator,
But if you seek the truth,
Fear of pain unknown has no parallel.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  The SiegeAdds KineticismAs the dead battered Highgate's barricades,
The Black Sekhema accepted her fate,
And stood her ground.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
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| Unique items |
 Split PersonalityLimited to: 2This Jewel's Socket has 25% increased effect per Allocated Passive Skill between
it and your Class' starting location
<Two random modifiers>CorruptedYou need not go looking for a second opinion.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.  Algor MortisEvasion: (90-101)
Energy Shield: (69-91)Requires Level 50, 39 Dex, 39 Int+(50-70) to maximum Energy Shield
+(15-20)% to Cold and Lightning Resistances
(20-30)% chance to Sap Enemies in Chilling Areas
Enemies in your Chilling Areas take (25-35)% increased Lightning Damage
(15-20)% increased Effect of Non-Damaging AilmentsWinter's white blanket swaddles all.  AssailumEvasion: (719-925)Requires Level 64, 138 DexGrants Level 20 Snipe Skill
Socketed Non-Channelling Bow Skills are Triggered by Snipe
Socketed Triggered Bow Skills gain a 0.05 second Cooldown
Socketed Triggered Bow Skills deal 40% less Damage
+(350-500) to Accuracy Rating
+(350-500) to Evasion Rating
+(14-20)% chance to Suppress Spell Damage while ChannellingA moment of calm before the battle can end the war.  PerfidyArmour: (776-892)Requires Level 68, 191 Str(25-40)% increased Melee Damage
+(60-90) to maximum Life
You can have two different Banners at the same time
Banners you are carrying gain 1 Stage on Melee Hit, up to 5 per second
<Two random Banner buff mods>The Trickster God turned the very Day and Night against each other.
What hope have you? - Beacon of Madness (3 variants)
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| Delirium Orbs |
 Abyssal Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Abyss Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Amorphous Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Metamorph reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Armoursmith's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Armour reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Blacksmith's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Weapons reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Blighted Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Blight reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Cartographer's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Map Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Kalguuran Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Expedition Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Diviner's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Divination Cards reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Fine Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Currency Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Foreboding Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Harbinger Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Fossilised Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Fossils reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Fragmented Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Fragments reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Imperial Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Labyrinth Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Jeweller's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Trinkets reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Obscured Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Breach Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Portentous Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Prophecy Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Primal Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Talismans reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Singular Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Unique Items reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Skittering Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Scarabs reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Thaumaturge's Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Gems reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Timeless Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Legion reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.  Whispering Delirium OrbStack Size: 10Modifies a Map item adding layers of Delirium with the Essences reward typeRight click this item then left click a Map item to apply it. Can apply up to 5 to a single Map item.
Shift click to unstack.
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ru:Делириум
