Exhaust
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Exhaust
Cooldown
240 seconds
Range
650Breaks stealth
Yes
Summoner level
4
Availability
SR
HA
NB
AR
Exhaust is a unit-targeted summoner spell that slows an enemy champion's movement speed and reduces their damage dealt for a few seconds.
Notes[edit | edit source]
- Exhaust will not reduce
true damage. 
Cleanse will remove Exhaust's effects.- Using Exhaust 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.
Map-Specific Differences[edit | edit source]
- Cooldown changed to 290 seconds.
Strategy[edit | edit source]
- Exhaust is an extremely powerful tool for disabling champions who can deal a high amount of damage. When your team is chasing an enemy and they are getting away, using Exhaust on them will help your team gain the upper hand. Using it against enemies when escaping can help you as their movement speed will be decreased.
 Summoner's Rift
| |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Base cooldown ▶ | 300s (   )
|
240s (      )
|
180s (   )
|
90s (  )
|
20s (  )
| ||||
▼  Haste
| |||||||||
10 ( )
|
272.73s | 218.18s | 163.64s | 81.82s | 18.18s | ||||
18 ( )
|
254.24s | 203.39s | 152.54s | 76.27s | 16.95s | ||||
| 28 ()
|
234.38s | 187.5s | 140.63s | 70.31s | 15.63s | ||||
 Howling Abyss
| |||||||||
| Base cooldown ▶ | 300s ( )
|
290s ( )
|
240s ( )
|
180s ( )
|
80s (  )
|
20s ( )
| |||
| ▼ Haste
| |||||||||
70 ( )
|
176.47s | 170.59s | 141.18s | 105.88s | 47.06s | 11.76s | |||
| 80 ()
|
166.67s | 161.11s | 133.33s | 100s | 44.44s | 11.11s | |||
| 88 ()
|
159.57s | 154.26s | 127.66s | 95.74s | 42.55s | 10.64s | |||
| 98 ()
|
151.52s | 146.46s | 121.21s | 90.91s | 40.4s | 10.1s | |||
124 ( )
|
133.93s | 129.46s | 107.14s | 80.36s | 35.71s | 8.93s | |||
| 134 ()
|
128.21s | 123.93s | 102.56s | 76.92s | 34.19s | 8.55s | |||
| 142 ()
|
123.97s | 119.83s | 99.17s | 74.38s | 33.06s | 8.26s | |||
| 152 ()
|
119.05s | 115.08s | 95.24s | 71.43s | 31.75s | 7.94s | |||
Trivia[edit | edit source]
- The first icon for
Exhaust was recolored for the icon for the Season 2011 mastery 
Cripple. - Exhaust is a reworked version of
Stifle, an old summoner spell. Early versions of Exhaust even retained Stifle's 
silence effect.
Media[edit | edit source]
Sound Effects[edit | edit source]
- Activation
- Summoner Spell SFX
- Effect active
- Summoner Spell SFX
- Summoner Spell SFX
Patch History[edit | edit source]
- Updated icon.
- Cooldown increased to 240 seconds from 210.
- Slow increased to 40% from 30%.
- Damage reduction reduced to 35% from 40%.
- Duration increased to 3 seconds from 2.5.
- New Effect: Now shows how much damage is being reduced.
- 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.
- Cleanse now cleanses summoner spell debuffs such as Exhaust's movement speed and damage reduction and Ignite's damage over time.
- Duration reduced to 2.5 seconds from 3 seconds.
- Improved Exhaust 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 Cleanse.
- New Effect: Now removes stealth when used.
- New Effect: Now split into two buffs: Exhaust Slow and Exhaust (Blind).
Highlander 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.
- Slow reduced to 40% from 50%.
- May 1, 2009 Patch Remake
- Removed: No longer silences, it now blinds the target (100% miss chance).
- Reduced cast range to 550 from 650.
- Duration reduced by 1 second.
- Cooldown increased to 4.5 from 4 minutes.
- Slow percent increased to 50% from 40%.
- Ccooldown decreased to 4 minutes from 5.
| Common |
|
|---|---|
| Map-exclusive |
|
| Featured Game Mode |
|
Slow
movement speed for the duration. Slow percentages cannot reduce a target below 110 movement speed. Some slows will instead modify the target's movement speed to a static value, which may not be further reduced nor increased.Only the slow with the highest value is taken into movement speed calculations. All additional slows are ignored until the higher-valued slow wears off. The strength of slows may amplify or decay over their duration. Slows of the same debuff cannot stack and will instead refresh on each application unless otherwise stated.
| Interrupts: | Does not interrupt any actions. |
|---|---|
| Reduction: | The duration is affected by  Tenacity.The strength is reduced by |
| Resist: | Resisted by  crowd control immunity and  slow immunity.
|
| Removal: | Removed by  Cleanses,  Garen's  Decisive Strike,  Master Yi's Highlander and  Nunu's  Biggest Snowball Ever!.
|
Centered rangeCentered range is calculated from the center of a source unit's hitbox to the center of a target unit's hitbox.
- Centered range is used for most unit-targeted abilities.
- It is less effective and may seem to have diminished reach against large units.
True damage- Applies:
- Mitigated by:
Howling Abyss
Freljord. Legends say that, long ago, a great battle took place here on the narrow bridge spanning this chasm. No one remembers who fought here, or why, but it is said that if you listen carefully to the wind you can still hear the cries of the vanquished tossed howling into the Abyss.
- Regular Modes
Howling Abyss aura Howling Abyss gain the following bonuses:
- +70 summoner spell haste
- Restores 0.15% of maximum mana per second.
- Passively gains 5 experience per second.
- Reduces all outgoing heals by 50%. The healing reduction does not affect self-heals.
- Omnivamp and life steal against minions are reduced by 40%.
- While alive and within 1000 units of a dying enemy minion, gain
6 from it (unless you have last-hit it). 
Melee champions gain 15 bonus magic resistance and their basic attacks deal 20% bonus damage against siege and super minions.- Melee champions now deal 20% bonus damage against structures, if they adaptively have more ability power. This buff is replaced by the generic time-based ARAM buff's bonus damage to structures once the latter exceeds 20%.
SilenceA unit that is silenced is unable to cast abilities, activate items or use the 
summoner spells Flash, Teleport, Hexflash, and Mark / 
Dash for the duration.
| Interrupts: | Interrupts all  channeled and charged abilities.
|
|---|---|
| Reduction: | The duration is affected by Tenacity.
|
| Resist: | Resisted by crowd control immunity.
|
| Removal: | Removed by Cleanses.
|
Crowd control applied by one's self or an ally cannot be countered in any way, neither reduced in duration, resisted, nor removed unless special cased to do so.
