PoE Ref
Gem
Skill

Active

Contagion

SpellAoEDurationChaos

Overview

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.

Properties

Gem type
Active
Colour
Blue
Attribute
Dexterity
Drop level
5
Cast time
0.6 sec

Quest reward sources

These are reward options. Availability can depend on your class and quest choices. A blank class restriction remains unspecified.

QuestClassesAmountReward item level
Breaking Some EggsWitch11
Breaking Some EggsShadow11

Compare gem levels and variants

Choose levels and quality to see which recorded properties and effects change. Additional skill effects remain in their separate progression tables.

Mechanics at a glance

  • Base duration is 5 seconds
  • Spreads when affected Enemy dies
  • Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
  • Base radius is 1.7 metres
  • Deals 3.38 Base Chaos Damage per second
At 20% quality

Base radius is 0.2 metres

Acquisition

Breaking Some EggsAct 1 quest reward · WitchBreaking Some EggsAct 1 quest reward · Shadow

Related gem versions 2

Regular, transfigured, Vaal, and awakened versions are joined from the game records.

Contagion of SubsidingContagion of Transference

Compatibility inputs

Skill types
Spell, Area, Duration, Trappable, Totemable, Damage Over Time, Chaos, Multicastable, Triggerable, Mineable, Degen Only Spell Damage, Cascadable, Can Rapid Fire, Area Spell
Granted minion skill types
None recorded
Can be supported
Yes

Support compatibility is evaluated against these recorded types. A support is omitted when its allowed expression does not match, its excluded expression matches, or this skill is marked as unable to be supported.

Compatible support gems 38

Compatibility is derived from the game skill-type constraints.

Increased Area of Effect SupportInspiration SupportTrap SupportItem Rarity SupportFaster Casting SupportConcentrated Effect SupportMore Duration SupportIron Will SupportSpell Totem SupportBlastchain Mine SupportSpell Echo SupportLess Duration SupportCast on Death SupportCast when Damage Taken SupportCast when Stunned SupportHypothermia SupportVoid Manipulation SupportControlled Destruction SupportSwift Affliction SupportEfficacy SupportBrutality SupportArcane Surge SupportSpell Cascade SupportIntensify SupportUnleash SupportHigh-Impact Mine SupportAwakened Brutality SupportAwakened Swift Affliction SupportAwakened Void Manipulation SupportAwakened Controlled Destruction SupportAwakened Increased Area of Effect SupportAwakened Spell Cascade SupportAwakened Spell Echo SupportAwakened Unleash SupportLifetap SupportGreater Spell Cascade SupportGreater Spell Echo SupportGreater Unleash Support

Gem progression 20 standard levels

Gem levelRequired levelCostEffectsExp. to nextTotal exp.
145 ManaBase radius is 1.7 metres Deals 3.38 Base Chaos Damage per second8410
266 ManaBase radius is 1.7 metres Deals 4.23 Base Chaos Damage per second3,099841
396 ManaBase radius is 1.7 metres Deals 5.73 Base Chaos Damage per second7,4333,940
4127 ManaBase radius is 1.8 metres Deals 7.57 Base Chaos Damage per second22,89511,373
5168 ManaBase radius is 1.8 metres Deals 10.63 Base Chaos Damage per second49,72534,268
6209 ManaBase radius is 1.8 metres Deals 14.58 Base Chaos Damage per second95,71483,993
72410 ManaBase radius is 1.8 metres Deals 19.67 Base Chaos Damage per second169,595179,707
82811 ManaBase radius is 1.8 metres Deals 26.12 Base Chaos Damage per second283,759349,302
93211 ManaBase radius is 1.9 metres Deals 34.32 Base Chaos Damage per second453,996633,061
103612 ManaBase radius is 1.9 metres Deals 44.67 Base Chaos Damage per second703,1281,087,057
114013 ManaBase radius is 1.9 metres Deals 57.7 Base Chaos Damage per second1,061,2231,790,185
124414 ManaBase radius is 1.9 metres Deals 74.05 Base Chaos Damage per second2,065,8702,851,408
134815 ManaBase radius is 2 metres Deals 94.52 Base Chaos Damage per second2,507,1104,917,278
145216 ManaBase radius is 2 metres Deals 120.05 Base Chaos Damage per second2,573,7317,424,388
155516 ManaBase radius is 2 metres Deals 143.23 Base Chaos Damage per second7,611,3519,998,119
165817 ManaBase radius is 2 metres Deals 170.53 Base Chaos Damage per second13,437,90817,609,470
176118 ManaBase radius is 2 metres Deals 202.63 Base Chaos Damage per second25,052,14731,047,378
186418 ManaBase radius is 2.1 metres Deals 240.35 Base Chaos Damage per second43,869,43656,099,525
196719 ManaBase radius is 2.1 metres Deals 284.62 Base Chaos Damage per second242,081,17899,968,961
207020 ManaBase radius is 2.1 metres Deals 336.52 Base Chaos Damage per second—342,050,139
Show extended levels 21–40
Gem levelRequired levelCostEffectsExp. to nextTotal exp.
217220 ManaBase radius is 2.1 metres Deals 375.97 Base Chaos Damage per second——
227421 ManaBase radius is 2.1 metres Deals 419.82 Base Chaos Damage per second——
237621 ManaBase radius is 2.2 metres Deals 468.48 Base Chaos Damage per second——
247821 ManaBase radius is 2.2 metres Deals 522.53 Base Chaos Damage per second——
258022 ManaBase radius is 2.2 metres Deals 582.5 Base Chaos Damage per second——
268222 ManaBase radius is 2.2 metres Deals 649.03 Base Chaos Damage per second——
278423 ManaBase radius is 2.2 metres Deals 722.82 Base Chaos Damage per second——
288623 ManaBase radius is 2.3 metres Deals 804.62 Base Chaos Damage per second——
298824 ManaBase radius is 2.3 metres Deals 895.3 Base Chaos Damage per second——
309024 ManaBase radius is 2.3 metres Deals 995.77 Base Chaos Damage per second——
319124 ManaBase radius is 2.3 metres Deals 1050 Base Chaos Damage per second——
329225 ManaBase radius is 2.3 metres Deals 1107.08 Base Chaos Damage per second——
339325 ManaBase radius is 2.3 metres Deals 1167.15 Base Chaos Damage per second——
349425 ManaBase radius is 2.4 metres Deals 1230.35 Base Chaos Damage per second——
359525 ManaBase radius is 2.4 metres Deals 1296.87 Base Chaos Damage per second——
369625 ManaBase radius is 2.4 metres Deals 1366.85 Base Chaos Damage per second——
379726 ManaBase radius is 2.4 metres Deals 1440.48 Base Chaos Damage per second——
389826 ManaBase radius is 2.4 metres Deals 1517.95 Base Chaos Damage per second——
399926 ManaBase radius is 2.4 metres Deals 1599.43 Base Chaos Damage per second——
4010026 ManaBase radius is 2.4 metres Deals 1685.17 Base Chaos Damage per second——

Quality progression

Quality bonuses are separate from level progression. Values above 20 require a way to reach that quality.

QualityEffects
0%No quality bonus
5%Base radius is 0.05 metres
10%Base radius is 0.1 metres
15%Base radius is 0.15 metres
20%Base radius is 0.2 metres
23%Base radius is 0.23 metres
30%Base radius is 0.3 metres

Alternate effects 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.

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