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Disambig icon.png This article is about the skill. For the effect, see A.E.D. (effect).



Engineer icon small.png Engineer (skill list)
Tool belt
Static Shock.png Static Shock
Training cost
2 Hero points
Game link

21659, 30881
0.75¾ Activation time  24 Recharge time  

Gadget. Activate your A.E.D., enabling the system to heal you after a brief period of time. If you take lethal damage while A.E.D. is active, it ends and heals you for a large amount and removes conditions.

Healing.png Healing when lethal damage taken: 12,280 (1.72)?
Healing.png Healing: 4,344 (0.6)?
A.E.D..png A.E.D. (5s): Heals when the timer expires. If lethal damage is taken, the damage is negated, you are healed for a large amount, and conditions are removed.
Burning.png Condition Removed
Bleeding.png Condition Removed
Confusion.png Condition Removed
Poisoned.png Condition Removed
Torment.png Condition Removed

— In-game description

Related traits[edit]

Explosives Explosives

Inventions Inventions

Alchemy Alchemy

Tools Tools

Scrapper Scrapper


  • Does not work with falling damage.
  • Will not save you from the Jellyfish Beast's consume.
Does not prevent Finishing Blow from finishing off the Engineer when hit at low enough health.

Version history[edit]

For a detailed skill history, see here.

Patch Changes
June 27, 2023
  • Reduced cooldown from 30 seconds to 24 seconds.
March 09, 2021
  • Fixed a bug that prevented this skill's Superspeed skill fact from the trait Speed of Synergy from displaying when the Gadgeteer trait was also active.
February 02, 2021
August 08, 2017 Path of Fire pre-patch:
  • This skill now removes confusion in addition to its previous removals.
July 26, 2016
  • The recharge of this skill has been reduced from 40 seconds to 30 seconds.
September 09, 2014
  • In addition to healing, this skill now removes all damaging conditions if the engineer would take a lethal blow.
April 15, 2014
  • Reduced the cast time from 1 second to .75 seconds.
December 10, 2013
  • A.E.D. has been added to the game.