Guild Wars 2: Heart of Thorns content

Bulwark Gyro

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Bulwark Gyro.png

Bulwark Gyro

Engineer icon small.png Engineer (skill list)
Scrapper icon small.png Scrapper
Tool belt
Defense Field.png Defense Field
Training cost
15 Hero points
Game link
Bulwark Gyro.jpg

Click to enlarge

20 Recharge time
30 Recharge time
Bulwark Gyro

Well. Deploy a bulwark gyro to grant you barrier and redirect damage to you from nearby allies.
Your initial personal barrier scales with the number of allies near you.

 Barrier.png Barrier: 2,226 (0.29)?
 Barrier.png Barrier: 726 (0.07)?
 Barrier.png Barrier: 508 (0.07)?
 Bulwark Gyro.png Watchful Eye (4s): Some of your incoming damage is shared with a nearby scrapper.
 Number of targets.png Number of Targets: 5
 Duration.png Duration: 5 seconds
 Interval.png Interval: 1 second
 Radius.png Radius: 240
 Combo.png Combo Field: Lightning

— In-game description

Related traits[edit]

Scrapper Scrapper


  • Damage taken from conditions is unaffected.
  • When an ally with Watchful Eye takes damage, approximately 35% of the damage is transferred to the scrapper.
  • Transferred damage is affected by Block (i.e. the player affected by Bulwark Gyro. The scrapper can not block transferred damage).
  • For each ally (other than the scrapper) within the area of effect during the initial cast, the scrapper gains an additional 723.3 barrier, unaffected by healing power.

Version history[edit]

For a detailed skill history, see here.

Patch Changes
February 23, 2021
  • Reduced base barrier pulse from 726 to 508 in PvP only.
October 13, 2020
  • Increased cooldown from 25 seconds to 30 seconds in PvP only.
November 19, 2019
  • Fixed a bug that prevented this skill from properly redirecting damage to the scrapper.
July 16, 2019
  • This skill now scales the initial personal barrier it grants with the number of allies you are redirecting damage from.
  • The base barrier granted has been reduced to account for the higher potential initial gain.
  • Barrier amount is no longer split by game mode as a result.
  • Fixed a bug with an incorrect skill fact for barrier amount.
April 23, 2019
  • Gyros can now be used underwater.
March 28, 2019
  • Fixed a bug that caused this skill to grant more barrier than intended.
March 26, 2019
  • Fixed a bug that allowed this skill to redirect damage from inanimate objects. Reduced the barrier granted by this skill by 33% in PvP.
March 05, 2019
  • This skill has been reworked. The gyro now creates a lightning field that follows the engineer while it grants them barrier every second and redirects some damage from nearby allies to the engineer.
May 16, 2017
  • The cooldown of this skill has been increased from 20 seconds to 25 seconds in PvP only.
July 26, 2016
  • The damage reduction of this skill has been reduced from 50% to 33%.
October 23, 2015 Heart of Thorns release:
  • Bulwark Gyro has been added to the game.