Effects Exhausts target enemy champion, reducing their movement speed and damage dealt by 30% for 2.5 seconds and reducing their attack speed by 50% for the duration.
Cooldown 210
Cast range 550
Breaks stealth? Yes
Level 1
Related mastery Summoner's Wrath Summoner's Wrath
Mastery effect Improves Exhaust.png Exhaust to also reduce the target's armor and magic resistance by 10 for the duration.

Exhaust is a 'targeted' Summoner spell, which slows movement speed and damage dealt by 30% and reduces attack speed by 50%.

Strategy 编辑

Exhaust is an extremely powerful tool for disabling champions who mainly autoattack, as well as any champion that can deal a high amount of damage. When your team is chasing an enemy and he is getting away, using Exhaust 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.

Notes 编辑

Patch History 编辑


  • Now reduces attack speed by 50%.
  • Movement speed reduction reduced to 30% from 40%.
  • Now reduces all damage dealt by 30% from 70% for attacks and 30% from abilities/items.


  • Cleanse.png Cleanse now cleanses summoner spell debuffs such as Exhaust.png Exhaust's movement speed and damage reduction and Ignite.png Ignite's damage over time.
  • Duration reduced to 2.5 seconds from 3 seconds.
  • Improved Exhaust no longer increases the duration.


  • Fixed a bug where Exhaust.png Exhaust was slowing the target additively rather than multiplicatively.


  • Exhaust.png Exhaust now reduces (auto/basic) attack damage by 70% and ability/item damage by 35% instead of blinding for the duration.


  • Exhaust.png Exhaust is now properly flagged as a slow + blind and can now be removed by Cleanse.png Cleanse.


  • Exhaust.png Exhaust now removes stealth when used.


  • Exhaust.png Exhaust is now split into two buffs: Exhaust Slow and Exhaust (Blind). Highlander.png Highlander should no longer dispel blind.


  • Exhaust.png Exhaust can now be removed by abilities that remove slow.


  • Cooldown reduced to 210 seconds from 240.


  • Reduced cooldown to 240 seconds form 270.

May 23, 2009 Patch:

  • Reduced slow percentage to 40% from 50%.

May 1, 2009 Patch: Remake

  • Exhaust.png Exhaust 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:

  • Exhaust.png Exhaust cooldown decreased to 4 minutes from 5.
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