Guild Wars 2: Heart of Thorns content

Well of Calamity

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Well of Calamity.png

Well of Calamity

Not available underwater  0.75¾ Activation time  20 Recharge time  Ground-targeted  
Mesmer icon small.png Mesmer (skill list)
Chronomancer icon small.png Chronomancer
Training cost
15 Hero points
Game link

Well. Create a well that rends time, damaging, weakening, and crippling foes in the area. When the final pulse of Well of Calamity triggers, it deals massive damage to foes in the area.

 Damage.png Pulse Damage: 266 (1.0)?
 Damage.png Final Damage: 798 (3.0)?
 Crippled.png Cripple (2s): -50% Movement Speed
 Weakness.png Weakness (2s): -50% Endurance Regeneration, +50% Fumble (Unrestricted)
 Number of targets.png Number of Targets: 5
 Miscellaneous effect.png Pulses: 3
 Duration.png Duration: 3 seconds
 Radius.png Radius: 240
 Combo.png Combo Field: Ethereal
 Range.png Range: 900

— In-game description

Related traits[edit]

Chronomancer Chronomancer

Version history[edit]

For a detailed skill history, see here.

Patch Changes
November 29, 2022
  • Increased power coefficient of initial strikes from 0.5 to 1.0 in PvE only.
February 22, 2017
  • Fixed a bug that caused wells to display their effects incorrectly while under the effects of quickness or slow.
October 18, 2016
  • Fixed a bug that allowed this ability to apply conditions through all forms of defense.
May 17, 2016
  • The visual effects of this skill has been restored to their original state for the player. The previous effects are now used as the lower level-of-detail versions.
November 17, 2015
  • Reduced the visual noise on the effects associated with this skill.
October 23, 2015 Heart of Thorns release:
  • Well of Calamity has been added to the game.


  • The skill icon appears to depict a moon (or a similar natural satellite) crashing into a planet.
  • When using the skill, an image of a Death's-head hawkmoth appears on the ground.
  • The wording of the description of this skill is a subtle reference to BlazBlue: Calamity Trigger. Several other Chronomancer abilities reference this series as well.
  • Well of Calamity's most prominent sound effect is its ticking sound, which plays strongest on a pulse. The note on the final pulse whirls up to match the graphic of flying crystal.