Ability Cooldown

Revision as of 16:12, 10 September 2026 by ~2026-LaneFireUrn1085 (talk) (add note that Ability Cooldown does not affect items unlike Ability Range and Ability Duration)

Ability Cooldown is the time it takes for an Ability to be usable again.

Overview

Cooldowns range from a few seconds, as in   Lady Geist's   Malice, to a few minutes, as in   Dynamo's   Singularity. Ability cooldowns can be reduced by acquiring the Cooldown Reduction stat, which reduces the cooldown by a percentage of base ability time.

In the in-game HUD, ability cooldowns only show decimal values below 2s.

Unlike Ability Range and Ability Duration, ability cooldown does not affect items. Items are only affected by a separate stat called Item Cooldown Reduction which is granted by   Transcendent Cooldown.

Charged Abilities

Some abilities can acquire multiple charges. In those cases, the ability cooldown represents the time for a charge to become available again after being used. This should not be confused with the time between charges, which describes the delay after using a charge that a different charge can be used.

Calculation

Calculating Cooldown Reduction

Despite being presented in-game as +X% Cooldown Reduction, multiple sources stack multiplicatively, not additively:

Total Cooldown Reduction=1(1CR1)×(1CR2)

Example: With 12% Cooldown Reduction from   Diviner's Kevlar and 16% from   Superior Cooldown:

  1. Convert percentages to decimals: 0.12 and 0.16.
  2. Subtract from 1: (1 - 0.12) = 0.88 and (1 - 0.16) = 0.84.
  3. Multiply the remainders: 0.88 × 0.84 = 0.7392.
  4. Subtract from 1: 1 - 0.7392 = 0.2608.
  5. Total Cooldown Reduction is approximately 26%, not 28%.

Sources of Ability Cooldown Reduction

This is a dynamic list "Ability Cooldown Reduction". Edit contents.
Name CostCategoryStat change
  Spellslinger6,400  Weapon+5% Ability Cooldown Reduction
  Enchanter's Emblem1,600  Vitality+5% Ability Cooldown Reduction
  Compress Cooldown1,600  Spirit+18% Ability Cooldown Reduction
  Superior Cooldown3,200  Spirit+20% Ability Cooldown Reduction
  Transcendent Cooldown6,400  Spirit+25% Ability Cooldown Reduction
  Frostbite CharmLegendary  Spirit+50% Ability Cooldown Reduction
  Mystic ConduitLegendary  Spirit+40% Ability Cooldown Reduction

Map Spawns

  • Golden Statues have a chance to drop a permanent Cooldown Reduction buff.
  • Powerup runes can provide a temporary Casting buff that provides +12% to +20% Cooldown Reduction for 160 seconds (scaling with game time from 5 to 40 minutes).

Item Cooldown

Item Cooldown is the time it takes for an Item to be usable again. This includes both Active and Passive items.

Charge-Up items such as   Tankbuster and   Mercurial Magnum are not affected by Item Cooldown Reduction.

Sources of Item Cooldown Reduction

This is a dynamic list "Item Cooldown Reduction". Edit contents.
Name CostCategoryStat change
  Transcendent Cooldown6,400  Spirit+25% Item Cooldown Reduction