Cleanse
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| Cleanse | |
|---|---|
 Cleanse | |
| Information | |
| Effects | Removes all disables (excluding Suppression) and summoner spells debuffs affecting your champion and grants 65% crowd control reduction for 3 seconds. |
| Cooldown | 210 |
| Cast range | Self |
| Breaks stealth? | No |
| Level | 2 |
| Related mastery |  Summoner's Resolve
|
| Mastery effect | Increases duration of disable reduction by 1 second. |
| Example | |
| |
Cleanse is a 'non-targeted' summoner spell. Its primary function is to remove active crowd control effects, allowing the summoner to continue pursuit or escape.
Strategy 
Edit
- Cleanse will remove any and all of the following effects: Blinds, Charm, Fear (including Flee), Movement Slows, Polymorph, Silences, Snares (including Entangle, Roots and Immobilizes), Stuns and Taunts.
- Cleanse will not remove non-CC effects, such as: damage over time (Ignite, however is removed), attack speed reductions, defence shredding and grievous wound. Quicksilver Sash is an alternative to Cleanse that will remove all of these effects.
- Cleanse will not remove non-CC effects, such as: damage over time (Ignite, however is removed), attack speed reductions, defence shredding and grievous wound.
- Cleanse will provide 3 seconds of 65% crowd control reduction after activation (or 4 with Summoner's Resolve). This stacks multiplicatively with other sources, such as Tenacity and champion abilities.
- Cleanse has no effect on Suppression, knock-ups, knock-backs, grabs and flings. This is true for both the removal and reduction effects.
- Cleanse will remove all effects contained within the crowd control debuff.
- For example, it will remove the following attack speed slows: Glacial Storm, Crippling Strike, Cripple, Wither, Ice Blast, Absolute Zero, Warden's Mail and Randuin's Omen.
- Tryndamere's Mocking Shout is an example of an ability where the two parts are separate debuffs. This is also true for Anivia's "Chill" debuff, applied by Flash Frost and Glacial Storm.
- Interestingly, Ground Slam and Barrel Roll are the only attack speed slows in the game not connected to a movement speed slow and so are the only attack speed slows that Cleanse will not remove.
- For example, it will remove the following attack speed slows:
Trivia Edit
- Previously the tool tip stated that Cleanse was able to remove the Sleep debuff, although no such effect existed in the game.
- Cleanse was named Boost up until V0.9.22.15.
Patch History Edit
- Fixed a bug where it could interrupt Teleport.
- Now cleanses summoner spell debuffs such as Exhaust's movement speed and damage reduction and 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
- Removed the word "sleeps" from Cleanse's tooltip.
- Exhaust is now properly flagged as a slow + blind and can now be removed by Cleanse
- Cleanse now removes silence and blind effects.
- Cleanse can be used without breaking stealth.
- Cleanse now only removes crowd controlling effects, silences and blinds. It no longer removes effects such as damaging debuffs or armor/stat debuffs
- Cleanse cooldown increased to 150 seconds from 120 seconds.
- Cleanse can now remove Ignite.
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 from 100.
- Willpower (mastery): Cooldown reduction reduced to 20 seconds from 30.
- Cleanse provides 2 seconds of debuff immunity after cast.
- Cooldown reduced to 100 from 120.
- Added the summoner spell particle.
- No longer stops Requiem.
V0.9.22.15: Remake
- Boost renamed to Cleanse:
- Removes all debuffs from your champion, can be cast while disabled.
- Cooldown reduced to 120 from 150.
- Cooldown increased to 150 from 120.
- Duration reduced to 12 from 15.
- Boost duration reduced to 15 seconds from 30.
- Will Power (mastery): Increases the duration of Boost by 2 seconds, and reduces the cooldown by 30 seconds.
- Boost no longer gets consumed by autoattack abilities like Frost Shot or Toxic Shot.
- Gave it the correct buff icon/tooltip.
- Can now be cast while disabled.
- Tooltip fixes.
- Now activates a 30 second duration spell shield (90 sec cooldown), also removes any slows/silences/snares currently on the caster.
- Cooldown reduced to 90 seconds from 180.
- Known issue: it doesn't break stuns, fears, or silences.
- Boost initial cooldown reduced to 0, and cooldown reduced to 3 minutes from 8.
- Boost cooldown decreased to 6 minutes from 8.
