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Necromancer icon small.png Necromancer (skill list)
Training cost
4 Hero points
Game link
1 Activation time  20 Recharge time  

Corruption. Apply vulnerability to yourself. Spread conditions on a target foe to all nearby foes at a reduced duration.
WvW only: does not affect structures or targets with resistance.

Damage.png Damage: 27 (0.1)?
Vulnerability.png3 Self Vulnerability (6s): +3% Incoming Damage, +3% Incoming Condition Damage
Number of targets.png Number of Targets: 5
Duration.png Duration Decreased: 50%
Radius.png Radius: 900
Critical Chance.png Cannot Critical Hit
Range.png Range: 1,200
Unblockable.png Unblockable

— In-game description

Related traits[edit]

Curses Curses

Death Magic Death Magic


  • Epidemic only applies up to 5 stacks of each condition.
  • The new conditions applied are applied by you and based on your condition damage
    • The duration is still based off of the original stacks and is not increased by expertise
  • Though it states all nearby foes, it is limited to 5 targets.
  • Conditions are copied the moment the projectile reaches its intended target, allowing the caster to continue applying conditions until then.
  • If the target of epidemic dies before a projectile reaches its target, conditions will not be copied.
  • Invulnerable enemies in the way of projectiles will prevent conditions from being copied.

Version history[edit]

For a detailed skill history, see here.

Patch Changes
June 27, 2023
  • Fixed an issue that prevented this skill from functioning against downed enemies.
February 28, 2022 End of Dragons release:
  • The maximum number of stacks of each condition that are applied to targets has been reduced from 25 to 5.
July 10, 2018
  • Increased the travel speed of epidemic projectiles by 33%. This skill now reduces the duration of conditions it copies by 50%.
May 18, 2017
  • Fixed a bug that caused conditions to not transfer on the fifth missile.
  • The missiles fired from this ability will now pierce targets already struck by the skill.
  • Removed the new functionality that caused condition durations to affect newly transferred conditions.
May 16, 2017
  • This ability now fires slow-arcing projectiles from its initial target to up to 5 targets in range.
  • Foes hit by the projectiles gain all conditions from the original Epidemic target.
  • Projectile strikes are unblockable but cannot critically hit.
  • Increased radius to 900.
  • Fixed a bug that allowed this skill to affect allies.
March 07, 2017
  • WvW Only: Does not affect structures or targets with resistance.
June 23, 2015 Specialization update:
  • With the changes to condition stacking, Epidemic now only applies up to 25 stacks of any given condition.
  • Increased recharge to 20 seconds.
July 01, 2014
  • Added a missing skill fact for number of targets (5).
April 30, 2013
  • Now unblockable.
March 26, 2013
  • Now requires line of sight of the main target to spread conditions to nearby enemies.
October 01, 2012
  • This skill no longer has infinite range.
August 28, 2012 Game release:
  • Epidemic has been added to the game.