Icy Veins
Spell frost coldhearted.png
  • Icy Veins
  • Level 29 Frost mage ability
  • 3 min cooldown
  • Instant
  • Accelerates your spellcasting for 20 sec, granting 30% haste and preventing damage from delaying your spellcasts.

    Rank 2 (Level 56):
    Duration increased by 3 sec.
Usable by
Class Mage
School Frost
Cooldown 3 minutes
Other information
Level learned 29
Improvements [Ice Form], [Thermal Void]
Related buff
Spell frost coldhearted.png
  • Magic
  • Icy Veins
  • Haste increased by 30% and immune to pushback.
  • Duration: 20 sceonds

Icy Veins is a level 29 Frost mage ability that increases the casting speed of all spells by 30% and prevents interruption caused by damage while casting for 20 seconds.


Icy Veins is one of Jaina's activatable Talents in Heroes of the Storm.


Under the effects of Icy Veins, spells that normally take 3 seconds to cast will take 2.1 seconds. Spells that were 2.5 seconds will then cast in 1.75 seconds. Spells that cast in 1.5 seconds will then cast in 1.05 seconds.

Icy Veins does stack with [Bloodlust]/ [Heroism], [Time Warp] and [Ancient Hysteria].

Like all haste effects, Icy Veins will speed up all channeled spells, such as [Blizzard]. Note that spells will cast at the faster cast time even if the Icy Veins buff expires while mid-cast or mid-channel, meaning that the buff is effectively longer than the 20 second buff duration. For example, starting to cast a [Frostbolt] with Icy Veins about to expire in half a second will still cast a Frostbolt that finishes in 1.4 seconds.

Like most temporary self buffs, Icy Veins can be used off the global cooldown, and does not trigger it.

Patch changes

  • Legion Patch 7.0.3 (2016-07-19): Now increases haste by 30%, up from 20%.
  • Mists of Pandaria Patch 5.0.4 (2012-08-28): Mana cost removed.
  • Bc icon.gif Patch 2.4.0 (2008-03-25): No longer increases the chance your chilling effects will Freeze the target, but now increases the chance to avoid interruption caused by damage while casting any spell by 100% while active.
  • Bc icon.gif Patch 2.3.2 (2008-01-08): Added.

See also

External links