Vortex

Vortex is a cold spell that deals damage in an area around the character and leaves a ground effect that chills and deals heavy cold damage over time. If the player has any active projectiles, Vortex will be cast on those projectiles instead.

Skill functions and interactions

 * Modifiers to spell damage only affect the damage over time effect of Vortex granted by the gem and do not affect other sources of damage over time which may be applied by the skill, such as poison or.
 * : The player may cast Frostbolt and subsequently cast Vortex on the Frostbolt projectiles. If Vortex is cast this way, it will have 20% less area of effect and it may cast on up to 5 Frostbolt projectiles, consuming them.
 * If the player has any active Frostbolt projectiles and Vortex is triggered by an effect (such as ), Vortex will automatically be cast on the Frostbolt projectiles.


 * Overlap: If an enemy is standing on multiple Vortex ground effects, only the one with the highest damage per second will deal damage at any given moment. This is consistent with other damage over time ground effects, such as burning ground.


 * Cast time: Vortex is an instant spell; it has no cast time and does not interrupt your character's other actions.


 * On hit effects: Because the initial explosion counts as a hit, Vortex can be used with on hit effects such as.

Other sources
The skill is also used by several monster. The UI would display a status icon to show the player character is affected by the skill.

Version history

 * Improved the graphical performance.


 * Vortex can no longer be supported by.


 * Mana Cost at gem level 20 is now 20 (was 21)
 * Now deals 38 to 57 Cold damage at gem level 1 (from 42 to 63) and 524 to 787 Cold damage at gem level 20 (from 538 to 808).
 * Now deals 106.5 base Cold damage per second at gem level 1 (from 116.1) and 1456.9 base Cold damage per second at gem level 20 (from 1495.6).


 * Now instant, with a 1.8 second cooldown.
 * Can now detonate from up to 5 Frostbolt projectiles at once.
 * Gains increased cooldown recovery speed as the gem levels up.
 * Deals 42 to 63 cold damage at gem level 1 (down from 50 to 75) and 538 to 808 cold damage at gem level 20 (up from 458 to 688).
 * Deals 116.1 base cold damage per second at gem level 1 (up from 41.6) and 1495.6 base cold damage per second at gem level 20 (up from 684.5)
 * No longer deals 40% more damage when cast on Frostbolt.
 * Now has 20% less Area of Effect when cast on Frostbolt.


 * Vortex now deals 40% more damage when cast on a Frostbolt.


 * Introduced to the game.
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