Leeching Venoms

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Leeching Venoms.png

Leeching Venoms

Thief icon small.png Shadow Arts (trait list)
Training cost
5 Hero points
Game link
Leeching Venoms

Venom utility skills siphon life from struck foes. Gain stacks of Spider Venom when you enter or exit stealth.
Siphoning can only occur once per strike.

Damage.png Life Siphon Damage: 320 (0.033)?
Damage.png Life Siphon Damage: 160 (0.0165)?
Damage.png Life Siphon Healing: 325 (0.2)?
Spider Venom.png3 Spider Venom (30s): Your attacks poison foes.
Spider Venom.png Spider Venom (30s): Your attacks poison foes.
Miscellaneous effect.png Venom Stacks: 3
Miscellaneous effect.png Venom Stacks: 1

— In-game description

Related skills[edit]

Weapon skills that are improved by this trait

Healing skills that are improved by this trait

Utility skills that are improved by this trait

Elite skills that are improved by this trait

Profession mechanic skills that are improved by this trait

Downed skills that are improved by this trait

Drowning skills that are improved by this trait


Affects Rot Wallow Venom, but leeching only occurs when the last stack of the effect is consumed.
  • Only applies on entering or exiting Stealth; does not apply if you increase Stealth duration while already in Stealth.
  • For more information about Life Siphoning, refer to Life Steal.
  • Actual damage equation is: 320 + (0.033 * Power). The damage portion is not affected by target armor.
  • When venoms are applied on allies, healing is based on the allied player's healing power.
  • Contrary to what the description suggests, every hit in an attack that targets multiple foes can leech life provided the player has enough venom stacks.
    • On this note, the number of targets is related to how many targets can be affected by this skill per strike, provided you have enough stacks to affect them all, as one is consumed per enemy.
  • When multiple different venoms are used in one hit, only one leech occurs.
  • Spider Venom granted by this trait is the same as granted by the Spider Venom utility skill, sharing the cap of 6 stacks.

Version history[edit]

For a detailed trait history, see here.

Patch Changes
June 28, 2022
  • This trait now grants stacks of Spider Venom when entering or exiting stealth instead of every interval while in stealth.
October 26, 2021
  • (Undocumented) Added a missing word to the description.
July 08, 2020
  • Fixed a bug that caused the life-stealing damage to be higher than expected in PvP and WvW.
July 07, 2020
  • Reduced life-stealing base damage from 320 to 160 in PvP and WvW. Reduced life-stealing power coefficient from 0.0333 to 0.0165 in PvP and WvW.
February 25, 2020 Competitive content update:
  • (Competitive split) Reduced maximum stacks of spider venom provided by this trait from 6 to 2.
October 01, 2019
  • This trait now immediately grants a stack of spider venom when the thief first enters stealth and every 3 seconds after.
July 16, 2019
  • This trait has been moved to new slot in the same tier.
  • It no longer reduces recharge of venoms. Instead it causes the thief to stack spider venom automatically while in stealth.
July 26, 2016
  • This trait no longer grants might to allies it is applied to.
  • This trait now reduces the recharge of venom abilities.
June 23, 2015 Specialization update:
  • Updated this trait to reflect the introduction of the specialization mechanic.
  • Added: Gain 2 stacks of might for 20 seconds when activating a venom.
April 30, 2013
  • Increased the damage scale from power by 33%.
  • Increased range from 325-400 to 325-425.
January 28, 2013
  • This trait no longer affects gadgets.
November 15, 2012
  • This trait now scales based on the thief's power.
August 28, 2012 Game release:
  • Leeching Venoms has been added to the game.