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For all effects with crowd control removals, see Crowd control#Removal.

Cleanse is a self-targeted summoner spell that removes most crowd control effects and summoner spell debuffs.

Notes[]

Strategy[]

  • Its primary function is to remove active crowd control effects, allowing the champion to continue pursuit or escape.

The cooldown of this spell can be reduced by summoner spell cooldown reduction.

Summoner spell haste
Summoner's Rift icon Summoner's Rift
Base cooldown ▶ 360s
(Teleport)
300s
(Flash)
240s
(ClarityHealUnleashed Teleport)
210s
(CleanseExhaustGhost)
180s
(BarrierIgnite)
90s
(Smite)
20s
(Hexflash)
Cooldown reduction icon Haste
12 (Ionian Boots of Lucidity item) 321.43s 267.86s 214.29s 187.5s 160.71s 80.36s 17.86s
18 (Cosmic Insight rune/Dawncore item) 305.08s 254.24s 203.39s 177.97s 152.54s 76.27s 16.95s
30 (Cosmic Insight rune/Dawncore item Ionian Boots of Lucidity item) 276.92s 230.77s 184.62s 161.54s 138.46s 69.23s 15.38s
36 (Cosmic Insight rune Dawncore item) 264.71s 220.59s 176.47s 154.41s 132.35s 66.18s 14.71s
48 (Cosmic Insight rune Ionian Boots of Lucidity item Dawncore item) 243.24s 202.7s 162.16s 141.89s 121.62s 60.81s 13.51s
Howling Abyss icon Howling Abyss
Base cooldown ▶ 300s
(Flash)
240s
(ClarityHeal)
210s
(CleanseExhaustGhost)
180s
(BarrierIgnite)
80s
(Mark)
20s
(Hexflash)
Cooldown reduction icon Haste
70 (Howling Abyss aura) 176.47s 141.18s 123.53s 105.88s 47.06s 11.76s
82 (Howling Abyss auraIonian Boots of Lucidity item) 164.84s 131.87s 115.38s 98.9s 43.96s 10.99s
88 (Howling Abyss auraCosmic Insight rune/Dawncore item) 159.57s 127.66s 111.7s 95.74s 42.55s 10.64s
100 (Howling Abyss auraCosmic Insight rune/Dawncore itemIonian Boots of Lucidity item) 150s 120s 105s 90s 40s 10s
106 (Howling Abyss auraCosmic Insight runeDawncore item) 145.63s 116.5s 101.94s 87.38s 38.83s 9.71s
118 (Howling Abyss auraCosmic Insight runeDawncore itemIonian Boots of Lucidity item) 137.61s 110.09s 96.33s 82.57s 36.7s 9.17s

Trivia[]

  • The tooltip previously stated that Cleanse Cleanse was able to remove the Sleep icon sleep debuff, even before the first champion with this effect was introduced, which was Zoe Zoe.
  • Cleanse Cleanse was named Boost up until V0.9.22.15.
  • Prior to V3.13, Ground Slam Ground Slam and Barrel Roll Barrel Roll were the only attack speed slows in the game not connected to a movement speed slow and so were the only attack speed slows that Cleanse Cleanse did not remove.
  • The first icon for Cleanse Cleanse was recolored for the icon for the Season 2011 mastery Willpower mastery 2011 Willpower.

Media[]

Sound Effects[]

Activation

Patch History[]

V13.15
  • Bug Fix: Tenacity buff no longer lasts longer than intended.
V9.17
V7.22
  • Level requirement increased to 9 from 6.
V5.18
  • Now removes Challenge Challenge / fixed a bug where Cleanse wasn't removing all Summoner Spell debuffs.
V4.1
  • Icon updated.
V1.0.0.139
  • Bug Fix: Fixed a bug where it could interrupt Teleport Teleport.
V1.0.0.129
  • Now cleanses summoner spell debuffs such as Exhaust's Exhaust's movement speed and damage reduction and Ignite's Ignite's damage over time.
  • Cooldown increased to 210 seconds from 150 seconds.
  • Improved Cleanse no longer reduces cooldown, but now extends the secondary disable reduction buff by 1 second.
V1.0.0.125
  • Removed the word "sleeps" from tooltip.
V1.0.0.104
V1.0.0.99
  • Now removes silence and blind effects.
V1.0.0.97
  • Can now be used without breaking stealth.
V1.0.0.96
  • Now only removes crowd controlling effects, silences and blinds. It no longer removes effects such as damaging debuffs or armor/stat debuffs
V1.0.0.86
  • Cooldown increased to 150 seconds from 120.
V1.0.0.72
V1.0.0.63 Remake
  • No longer provides debuff immunity (but still removes debuffs when cast). Provides a 50% duration reduction to stuns, slows, taunts, fears, snares, sleeps and immobilizers for the next 3 seconds.
  • Cooldown increased to 120 seconds from 100.
  • Willpower (mastery): Cooldown reduction reduced to 20 seconds from 30.
V1.0.0.61
  • Now provides 2 seconds of debuff immunity after cast.
V0.9.25.24
  • Cooldown reduced to 100 seconds from 120.
V0.9.22.16
  • Added the summoner spell particle.
  • No longer stops Requiem Requiem.
V0.9.22.15 Remake
  • Renamed to Cleanse from Boost
    • Removes all debuffs from your champion, can be cast while disabled.
    • Cooldown reduced to 120 seconds from 150.
V0.9.22.7
  • Cooldown increased to 150 seconds from 120.
  • Duration reduced to 12 seconds from 15.
July 10, 2009 Patch
  • Duration reduced to 15 seconds from 30.
June 26, 2009 Patch
  • Will Power (mastery): Increases the duration of Boost by 2 seconds, and reduces the cooldown by 30 seconds.
  • Is no longer gets consumed by autoattack abilities like Frost Shot Frost Shot or Toxic Shot Toxic Shot.


June 6, 2009 Patch
  • Gave it the correct buff icon/tooltip.
  • Can now be cast while disabled.
May 29, 2009 Patch
  • Tooltip fixes.
May 23, 2009 Patch
  • Now activates a 30 second duration spell shield (90 second cooldown), also removes any slows/silences/snares currently on the caster.
May 1, 2009 Patch
  • Cooldown reduced to 90 seconds from 180.
  • Known issue: it doesn't break stuns, fears, or silences.
Alpha Week 5
  • Initial cooldown reduced to 0, and cooldown reduced to 180 seconds from 480.
Alpha Week 4
  • Cooldown reduced to 360 seconds from 480.
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