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Gem

Contagion
Spell, AoE, Duration, Chaos
Level: 1–20
Cast Time: 0.6 sec
Mana Cost: (5–20)
Requires Level 4
Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, it spreads to other enemies.
Per 1% Quality:
0.5% increased Area of Effect
Deals (3.5–235.9) Base Chaos Damage per second
Base duration is 5 seconds
0 to radius
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
DropLevel 4
BaseType Contagion
Class Active Skill Gems
CostScroll of Wisdom x 1
TargetTypesEnemy, Ground
ActiveTypeSpell, Area, Duration, SkillCanTrap, SkillCanTotem, SkillCanMine, SpellCanRepeat, Triggerable, DamageOverTime, ChaosSkill, Type59, SpellCanCascade, CanRapidFire, AreaSpell

Quest Reward /1

ActQuest CompleteCharacter
1Breaking Some EggsWitch Shadow

Quest Vendor /3

ActQuest CompleteNPCCharacter
1Breaking Some EggsNessaWitch Templar Shadow Scion
6Fallen from GraceLilly RothAll Classes
3A Fixture of FateSiosaAll Classes
Implicit
Base duration is 5 seconds
0 to radius
is_area_damage
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect

Level Effect /40

LevelRequires LevelDexterityIntelligenceMana CostDeals 3.5 Base Chaos Damage per secondExperience
1461053.5841
2681264.33,099
39111665.77,433
412142077.422,895
5161726810.249,725
6202131913.695,714
72425361018169,595
82829411123.3283,759
93232471129.9453,996
103636521238.1703,128
114040571348.11,061,223
124443631460.32,065,870
134847681575.22,507,110
145251731693.32,573,731
1555547716109.57,611,351
1658568117128.113,437,908
1761598518149.625,052,147
1864628918174.443,869,436
1967659319203242,081,178
2070679720235.9
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

helmet /1145

LevelModDrop Rate
The Merciless Labyrinth25% increased Contagion Damagehelmet(0.1%)
The Eternal Labyrinth40% increased Contagion Damagehelmet(0.1%)
The Merciless Labyrinth20% increased Contagion Durationhelmet(0.1%)
The Eternal Labyrinth30% increased Contagion Durationhelmet(0.1%)
The Merciless Labyrinth8% increased Contagion Area of Effecthelmet(0.1%)
The Eternal Labyrinth12% increased Contagion Area of Effecthelmet(0.1%)

Microtransactions /2

IconName
Arcane Contagion Effect
Microtransactions
Your Contagion becomes a blue arcane effect.

Celestial Contagion Effect
Microtransactions
Your Contagion becomes a Celestial Effect.

Supported By /23

ActiveType: Spell, Area, Duration, SkillCanTrap, SkillCanTotem, DamageOverTime, ChaosSkill, SpellCanRepeat, Triggerable, SkillCanMine, Type59, SpellCanCascade, CanRapidFire, AreaSpell
Support GemActiveType
Increased Area of Effect SupportArea, CreateMinion, Type53
Trap SupportSkillCanTrap
Item Rarity SupportHit, Attack, DamageOverTime
Faster Casting SupportSpell
Concentrated Effect SupportArea, CreateMinion, Type53
Increased Duration SupportDuration, Type55
Iron Will SupportHit, Type59, Type66
Spell Totem SupportSpell, SkillCanTotem, AND
Blastchain Mine SupportSkillCanMine
Spell Echo SupportSpellCanRepeat
Less Duration SupportDuration, Type55
Cast on Death SupportSpell, Triggerable, AND
Cast when Damage Taken SupportSpell, Triggerable, AND
Cast when Stunned SupportSpell, Triggerable, AND
Hypothermia SupportHit, Attack, DamageOverTime
Void Manipulation SupportHit, Attack, DamageOverTime
Controlled Destruction SupportHit, Attack, Type59
Swift Affliction SupportDuration, Type55, Hit, Attack
Efficacy SupportHit, Attack, Type59, Duration, Type55, DamageOverTime
Spell Cascade SupportSpellCanCascade
Intensify SupportAreaSpell
Unleash SupportCanRapidFire
High-Impact Mine SupportSkillCanMine