Guild Wars 2: End of Dragons content


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Thief icon small.png Thief (skill list)
Specter icon small.png Specter
Profession mechanic
Weapon slot filled tango.pngWeapon slot empty tango.png
Game link
0.5½ Activation time  
18 Recharge time
25 Recharge time
25 Recharge time


Skill fact text only icon.pngEnemy target: Steal your foe's shadow, slowing them for a period of time while gaining shadow force.
Slow.png Slow (5s): Skills and actions are slower.
Slow.png Slow (3s): Skills and actions are slower.
Miscellaneous effect.png Shadow Force Gain[sic]: 25
Miscellaneous effect.png Shadow Force Gain[sic]: 15
Skill fact text only icon.pngAlly target: Grant your target barrier and reduce the cooldown of Siphon. If you are in shroud, transfer your tether to the target.
Barrier.png Barrier: 1,428 (0.5)?
Siphon.png Shrouded Ally: Entering Shadow Shroud without an ally targeted will attach you to your siphoned ally. Breaks if you move outside of the range of Shroud.
Miscellaneous effect.png Allied Target Recharge Reduction: 50
Range.png Range: 1,200

— In-game description

Related traits[edit]

Deadly Arts Deadly Arts

Shadow Arts Shadow Arts

Acrobatics Acrobatics

Trickery Trickery

Specter Specter

  • Shallow Grave Shallow Grave — Transfer conditions to an enemy when targeting them with Siphon. Remove conditions from you and your ally when targeting them with Siphon.
  • Dark Sentry Dark Sentry — Apply Rot Wallow Venom to allies you grant barrier to. Outgoing healing to allies is increased. Rot Wallow Venom effect cannot apply to yourself.
  • Amplified Siphoning Amplified Siphoning — Gain increased shadow force when hitting a foe with Siphon. Grant increased barrier when targeting an ally.


If the target is a miniature, the skill will go on full cool down and activate steal-related traits.
Unlike  Steal.png Steal and  Deadeye's Mark.png Deadeye's Mark, Siphon stacks additively with Lead Attacks Lead Attacks and Sleight of Hand Sleight of Hand.
  • Siphon does not produce stolen skills.
  • Your character will occasionally shout out one of the following lines upon using this skill:
    • "Thanks for sharing." (enemy)
    • "I'll need your shadow." (enemy)
    • "A gift from the shadows." (ally)
    • "Back to the fight!" (ally)

Version history[edit]

For a detailed skill history, see here.

Patch Changes
March 30, 2022
  • (PvP only) Reduced shadow force gained from 25% to 15%. Reduced slow duration from 5 seconds to 3 seconds.
March 29, 2022
  • Fixed a bug that caused the incorrect cooldown to occur when targeting a fully defeated ally.
February 28, 2022 End of Dragons release:
  • Siphon has been added to the game.
November 30, 2021
October 26, 2021