Heat Sink
Tree position
In the Fire Mage talent tree, Heat Sink sits in the Frostfire hero talent tree, row 3 of 5. It is a single-point node.
Connected above
The tree draws a line into Heat Sink from Imbued Warding or Meltdown.

MeltdownYou melt slightly out of your Ice Block and Ice Cold, allowing you to move slowly during Ice Block and increasing your movement speed over time. Ice Block and Ice Cold trigger a Blazing Barrier when they end.
Connected below
Heat Sink leads on to Frostfire Infusion.
Frostfire InfusionThe damage of your Frost spells and Fire spells are increased by 4%.
Same row
Also on this row: Thermal Conditioning or Severe Temperatures, Dualcasting Adept and Molten Chill.
Thermal ConditioningFrostfire Bolt's cast time is reduced by 10%.
Severe TemperaturesFrostfire Empowerment stacks 1 additional times and it causes Frostfire Bolt to explode for an additional 20% of its damage.
Dualcasting AdeptBlizzard damage increased by 15%.]?a137019[Pyroblast damage increased by 15%. Flamestrike damage increased by 15%.][Ice Lance and Pyroblast have their damage increased by 40%.]
Molten ChillYour Frostfire spells apply Ignite, dealing an additional 30% of their damage over 9 sec.
Talent trees
Heat Sink is in the talent tree of 3 specializations. Mage: Arcane (DPS), Fire (DPS), Frost (DPS).
Heat Sink Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)