Contagion
Spell, AoE, Duration, Chaos
Level: (1–20)
Cost: (5–20) Mana
Cast Time: 0.60 sec
Requires Level (4–70), (7–68) Dex, (10–98) Int
Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, the debuff spreads to other enemies.
Deals (3.5–235.9) Base Chaos Damage per second
Base duration is 5 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Base radius is 1.7 metres
Spreads when affected Enemy dies

Additional Effects From Quality:
Base radius is (0–0.2) metres
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Quest /2
ActQuestNPCCharacter
1Breaking Some EggsQuest RewardWitch · Shadow
1Breaking Some EggsNessaScion · Shadow · Templar · Witch
Genus
·
·
Level Effect /40
LevelRequires LevelIntDexCostDeals 3.5 Base Chaos Damage per secondExperience
1410753.5841
2613964.33,099
39171265.77,433
412211477.422,895
5162618810.249,725
6203122913.695,714
72437251018169,595
82842291123.3283,759
93247331129.9453,996
103653361238.1703,128
114058401348.11,061,223
124463441460.32,065,870
134868481575.22,507,110
145274511693.32,573,731
1555785416109.57,611,351
1658825717128.113,437,908
1761866018149.625,052,147
1864906218174.443,869,436
1967946519203242,081,178
2070986820235.9
217220260.5
227421287.5
237621317.2
247821349.7
258022385.4
268222424.5
278423467.3
288623514.3
298824565.7
309024621.9
319124652
329225683.5
339325716.5
349425750.9
359525787
369625824.7
379726864.1
389826905.4
399926948.5
4010026993.6
Attribute /11

Contagion

KeyValue
CostiLvl 1: Normal: 1xScroll of Wisdom
AcronymModifiers
DropLevel 4
BaseType Contagion
Class Skill Gems
TargetTypesGround, Enemy,
TypeSpell, Area, Duration, Trappable, Totemable, DamageOverTime, Chaos, Multicastable, Triggerable, Mineable, DegenOnlySpellDamage, Cascadable, CanRapidFire, AreaSpell
BuffIcon
ItemTypeMetadata/Items/Gems/SkillGemContagion
ActiveSkillsCodecontagion
Referencepoe.ninja, Community Wiki
Crucible Weapon /1
WeightDesc
1000 (T5)Enemies inflicted with Bane or Contagion are Chilled
Contagion
Spell, AoE, Duration, Chaos
Level: (1–20)
Cost: (5–20) Mana
Cast Time: 0.60 sec
Requires Level (4–70), (7–68) Dex, (10–98) Int
Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, the debuff spreads to other enemies.
Deals (3.5–235.9) Base Chaos Damage per second
Base duration is 5 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Base radius is 1.7 metres
Spreads when affected Enemy dies
is area damage [1]

Additional Effects From Quality:
Base radius is (0–0.2) metres
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Microtransactions /5
Arcane Contagion Effect
Your Contagion becomes a blue arcane effect.
Celestial Contagion Effect
Your Contagion becomes a Celestial Effect.
Project Contagion Effect
Your Contagion becomes a Project Effect.
Scientist Contagion Effect
Your Contagion becomes a Scientist Effect.
Sunprism Contagion Effect
Your Contagion becomes a Sunprism Effect.
Supported By /33
  • Active Type: Spell, Area, Duration, Trappable, Totemable, DamageOverTime, Chaos, Multicastable, Triggerable, Mineable, DegenOnlySpellDamage, Cascadable, CanRapidFire, AreaSpell
    • Increased Area of Effect Support
    Supports any skill with an area of effect.
    Trap Support
    Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a trap that will use the skill for you when an enemy walks near it. Traps cannot use channelling skills.
    Item Rarity Support
    Supports any skill that can kill enemies.
    Faster Casting Support
    Supports non-instant spell skills.
    Concentrated Effect Support
    Supports any skill with an area of effect, regardless of whether that skill deals damage.
    More Duration Support
    Supports any skill with a duration.
    Iron Will Support
    Supports spell skills, making the increase to physical melee damage from strength also increase their spell damage.
    Spell Totem Support
    Supports spell skills that are not triggered. Instead of casting that spell, you will summon a totem that casts the spell for you.
    Blastchain Mine Support
    Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
    Spell Echo Support
    Supports spell skills, making them repeat when cast. Cannot support Vaal skills, totem skills, channelling skills, triggered skills, instant skills, retaliation skills, blink skills, or skills with a reservation.
    Less Duration Support
    Supports any skill that has a duration.
    Cast on Death Support
    Each supported spell skill will be triggered when you die. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
    Cast when Damage Taken Support
    Each supported spell skill will track damage you take, and be triggered when the total damage taken reaches a threshold. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
    Cast when Stunned Support
    Each supported spell skill will have a chance to be triggered when you are stunned. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
    Hypothermia Support
    Supports any skill that deals damage.
    Void Manipulation Support
    Supports any skill that deals damage.
    Controlled Destruction Support
    Supports attack skills, or spell skills that deal damage.
    Swift Affliction Support
    Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
    Efficacy Support
    Supports any skill that deals damage or has a duration.
    Brutality Support
    Supports any skill that deals damage.
    Arcane Surge Support
    Each supported spell will track how much mana you spend on it, granting a buff when the total mana spent reaches a threshold. Cannot support skills used by totems, traps, mines or skills with a reservation.
    Spell Cascade Support
    Supports spell skills that apply an effect to an area around a targeted location. Cannot support Vaal skills or skills used by totems, traps, or mines. Cannot modify the skills of minions.
    Intensify Support
    Supports spell skills that you cast yourself. Cannot support triggered skills, Vaal skills, instant skills, channelling skills, skills with a reservation or which create minions, or skills used by totems, traps, or mines.
    Unleash Support
    Supports spell skills, making their effect reoccur when cast. Cannot support skills with cooldowns, triggered skills, Brand skills, Vaal skills, channelling skills, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
    High-Impact Mine Support
    Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
    Awakened Brutality Support
    Supports any skill that deals damage.
    Awakened Swift Affliction Support
    Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
    Awakened Void Manipulation Support
    Supports any skill that deals damage.
    Awakened Controlled Destruction Support
    Supports attack skills, or spell skills that deal damage.
    Awakened Increased Area of Effect Support
    Supports any skill with an area of effect.
    Awakened Spell Cascade Support
    Supports spell skills that apply an effect to an area around a targeted location. Cannot support Vaal skills or skills used by totems, traps, or mines. Cannot modify the skills of minions.
    Awakened Spell Echo Support
    Supports spell skills, making them repeat when cast. Cannot support Vaal skills, totem skills, channelling skills, triggered skills, instant skills, retaliation skills, blink skills, or skills with a reservation.
    Awakened Unleash Support
    Supports spell skills, making their effect reoccur when cast. Cannot support skills with cooldowns, triggered skills, Brand skills, Vaal skills, channelling skills, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
    Contagion
    You are taking Chaos Damage Over Time
    base_chaos_damage_taken_per_minute
    Attribute /6

    contagion

    KeyValue
    CostiLvl 1: Normal: 1xOrb of Transmutation · Magic: 1xOrb of Alteration · Rare: 3xOrb of Alchemy · Unique: 5xChaos Orb
    AcronymIgnite
    BuffIcon
    BuffGroupsID30
    IsBuffDefinition1
    BuffMergeModesID8
    Crucible Weapon /1
    WeightDesc
    1000 (T5)Enemies inflicted with Bane or Contagion are Chilled
    Codebase chaos damage taken per minute
    IsPublic1
    IsLocal0
    IsWeaponLocal0
    IsProxied
    IsParty0
    IsVirtual0
    IsScalable1
    StatSemanticsDiscrete
    Contagion Monster /2
    NameModifiersSpectre
    Ulysses Morvant+3 to maximum number of Summoned Totems
    kill traps mines and totems on death [1]
    30% Chance to Block Attack Damage
    You take 15% of Damage from Blocked Hits    		Y
    Ulysses Morvant+3 to maximum number of Summoned Totems
    kill traps mines and totems on death [1]
    30% Chance to Block Attack Damage
    You take 15% of Damage from Blocked Hits
    100% increased maximum Life
    100% increased Area of Effect
    80% increased Character Size    		Y

    Community Wiki

    Edit

    Contagion

    Contagion is a chaos spell that applies a chaos damage over time effect to all enemies in the area, and spreads itself when an enemy dies. Contagion interacts favourably with Essence Drain, a skill that deals heavy chaos damage over time and is spread by Contagion.

    Skill functions and interactions

    • Modifiers to Spell Damage apply to this skill's Damage Over Time Effect: Modifiers to spell damage only affect the damage over time effect of Contagion granted by the gem and do not affect other sources of damage over time caused by the skill.

    • Essence Drain: When an enemy affected by both Contagion and Essence Drain dies, the resulting Contagion proc will spread both effects. This is a unique interaction. Contagion will not spread other damage over time effects.

    • Duration: Increases and reductions to duration function normally. The duration of Contagion and associated degeneration effects (Essence Drain) is not reset when spread to other enemies on death.

    • Area of Effect: Modifiers to area of effect affect both the skill radius and spread radius of Contagion. Modifiers to area damage (such as Concentrated Effect Support) do not apply.

    • On hit effects: Contagion does not hit, and therefore cannot activate the effects of supports such as Hextouch Support.

    Version history

    VersionChanges
    3.13.0
  • Now has a base radius of 17 (from 20).
    • 3.12.0
  • Now has alternative quality.
    • 3.8.0
  • No longer gains additional radius as the gem levels (previously gained +4 radius by gem level 20).
    • 3.6.0
  • Mana Cost at gem level 1 is now 5 (was 11).
  • Mana Cost at gem level 20 is now 20 (was 28).
  • Can now affect up to 40 targets per cast (from 20).
    • 2.6.0
  • Contagion's radius has increased from 18 to 20 units.
    • 2.2.1d
  • Fixed an instance crash with Contagion.
    • 2.1.1c
  • Fixed an instance crash with [...] Contagion.
    • 2.1.1b
  • Fixed a bug where Contagion could be cast and spread through walls.
    • 2.1.1
  • Contagion can now be supported by Iron Will.
    • 2.1.0
  • Added to the game.
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