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Effect type
Game link

Deals damage every second; heal potency decreased by 33%; stacks intensity.

— In-game description

Poison is a condition that inflicts damage over time and stacks intensity, however the heal potency decrease is unaffected by the number of stacks on a foe, which can stack up to 1500 times. Characters suffering from poison appear green tinted. Damage is determined by the following formula:
(0.06 * Condition Damage) + (0.375 * Level) + 3.5 damage per stack per second,
(0.06 * Condition Damage) + 33.5 damage per stack per second at level 80.

Related skills

See also: Condition#Related skills

Skills that poison

Weapon skills that apply poison

Underwater weapon skills that apply poison

Utility skills that apply poison

Elite skills that apply poison

Skills with special conditions that apply poison

Downed skills that apply poison

Combos that apply poison

Skills that remove poison

Healing skills that remove poison

Skills with special conditions that remove poison

Related traits

See also: Condition#Related traits

Traits that apply poison

Traits that improve poison

Traits that benefit from poison on self

Traits that benefit from poison on foes

Traits that remove poison

Related equipment

See also: Condition#Related equipment

Upgrade components that apply poison



Upgrade components that increase poison duration



Related consumables

See also: Condition#Related consumables

Player Chatter

  • When poison is applied to a character they will occasionally shout out one of the following lines, depending on their race and gender.
Race Gender
Male Female
Asura tango icon 20px.png Asura High toxicity! I need an antidote!
Charr tango icon 20px.png Charr Venom...too strong... It's poison!
Human tango icon 20px.png Human Venom... too strong... Venom... too strong...
Norn tango icon 20px.png Norn I'm poisoned! Ugh, poison...
Sylvari tango icon 20px.png Sylvari It's poisonous! I've been poisoned...

Version history

Patch Changes
June 23, 2015 Specialization update:
  • All damage conditions will now stack up to 1500 times.
  • This condition will now stack in intensity.
  • Poison's healing reduction will not depend on the number of stacks. Any poison will result in a static -33%, just as it currently does.
  • The formula for this condition has been rescaled to account for the new behavior of damaging conditions and to put more focus on the condition damage stat.
  • New damage over time: 3.5 + (0.375 * Level) + (0.06 * Condition Damage)
March 19, 2015
  • Updated condition damage. Previously, a condition that had a fractional remainder of time after it dealt damage would not inflict the rest of its damage.
  • For example, a 1.5-second burn would deal 1 second of burning damage, then fail to inflict the remaining 0.5 seconds of burning.
  • Conditions will now deal this fractional damage either at the beginning or end of their duration, depending on when the next damage pulse would occur and their remaining duration.
August 28, 2012 Game release:
  • Poison has been added to the game.


Gwwlogo.png The Guild Wars Wiki has an article on Poison.
  • Prior to the G-Star Demo, this condition stacked in intensity but not duration.
  • At the G-Star Demo, multiple applications of this condition increased its duration instead.[1]
  • This condition was changed to stack in intensity since the June 23, 2015 game update.


  1. ^ http://www.youtube.com/watch?v=0TIMtalS4FY&t=3m36s G* demo, Nov 2011.