Guild Wars 2: Heart of Thorns content

Chemical Field

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Chemical Field.png

Chemical Field

0.25¼ Activation time  25 Recharge time  
Engineer tango icon 20px.png Engineer (skill list)
Scrapper tango icon 20px.png Scrapper
Parent skill
Purge Gyro.png Purge Gyro
Profession mechanic
Tool belt
Game link
External links

Generate a poison cloud.

 Poisoned.png Poison (8s): 268 Damage, -33% Heal Effectiveness
 Number of targets.png Number of Targets: 5
 Miscellaneous effect.png Pulses: 4
 Duration.png Duration: 6 seconds
 Radius.png Radius: 300
 Combo.png Combo Field: Poison

— In-game description [?]

Related traits[edit]

Inventions Inventions

Tools Tools


Version history[edit]

For a detailed skill history, see here.

Patch Changes
December 03, 2019
  • Purge Gyro's toolbelt skill has been changed from Detection Pulse to Chemical Field.
October 01, 2019
  • This skill has been replaced by Detection Pulse as the tool belt skill for Purge Gyro.
December 12, 2017
  • Number of poison stacks reduced from 2 to 1 per application.
  • Duration of poison increased from 4 to 8 seconds.
October 23, 2015 Heart of Thorns release:
  • Chemical Field has been added to the game.