Exhausts target enemy champion,
them by 30%, and reducing their damage dealt by 40% for 2.
Exhaust in action
Exhaust is a targeted summoner spell that affects enemy champions. It slows the enemy champion movement speed and reduces their damage dealt for a few seconds.
is an extremely powerful tool for disabling champions who can deal a high amount of damage. When your team is chasing an enemy and he or she is getting away, using on him will help your team gain the upper hand. Using it against enemies when escaping can help you as their movement speed will be decreased.
will not reduce true damage.
Since V22.214.171.124, will remove effects.
Using on a champion when the target is already affected by that spell will reapply the effect, resetting its duration. It will not increase the effect.
The cooldown of this spell can be reduced by summoner spell cooldown reduction.
Summoner spell CDR
Base cooldown ▶
300s ( )
300s ( )
270s ( )
240s ( )
210s ( )
180s ( )
90s ( )
80s ( )
40% ( )
43% ( )
50% ( )
52. 5% ( )
Patch History Edit
Bug Fix: Casting Exhaust now correctly puts the caster in combat.
Removed: Reducing target's attack speed by 30%.
Removed: Reducing target's resistances by 10.
Damage reduction reduced to 40% from 50%.
New Effect: Now reduces the target's armor and magic resistance by 10.
New Effect: Visuals changed to improve clarity.
Bug Fix: Fixed a bug where it did not grant assists when used against slow immune targets (who are still affected by the damage reduction effect).
Attack speed cripple reduced to 30% from 50%.
Damage reduction increased to 50% from 30%.
Range increased to 650 from 550.
Movement speed reduction reduced to 30% from 40%.
New Effect: Now reduces attack speed by 50%.
New Effect: Now reduces all damage dealt by 30% from 70% for attacks and 30% from abilities/items.
now cleanses summoner spell debuffs such as movement speed and damage reduction and damage over time.
Duration reduced to 2. 5 seconds from 3 seconds.
Improved no longer increases the duration.
Bug Fix: Fixed a bug where it was slowing the target additively rather than multiplicatively.
New Effect: Now reduces (auto/basic) attack damage by 70% and ability/item damage by 35% instead of blinding for the duration.
New Effect: Now properly flagged as a slow + blind and can now be removed by .
New Effect: Now removes stealth when used.
New Effect: Now split into two buffs: Exhaust Slow and Exhaust (Blind). should no longer dispel blind.
New Effect: Can now be removed by abilities that remove slow.
Cooldown reduced to 210 seconds from 240.
Cooldown reduced to 240 seconds form 270.
May 23, 2009 Patch
Slow reduced to 40% from 50%.
May 1, 2009 Patch Remake
Removed: No longer silences, it now blinds the target (100% miss chance).
April 25, 2009 Patch
Reduced cast range to 550 from 650.
April 11, 2009 Patch
Duration reduced by 1 second.
Cooldown increased to 4. 5 from 4 minutes.
Slow percent increased to 50% from 40%.
Alpha Week 4
Ccooldown decreased to 4 minutes from 5.
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