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

 * Cleanse will remove any and all of the following effects: Blind, Charm, Fear (or ), Slow (that affect Movement), Polymorph, Silence, Root (sometimes called Entangle, Snare or Immobilize), Stun and Taunt.
 * Cleanse will not remove non-CC effects, such as: damage over time, attack speed reductions, defense shredding and Grievous Wounds. is an alternative to Cleanse that will remove all of these effects.
 * However, is completely removed and  has its true damage over time component removed.


 * Cleanse will provide 3 seconds of 65% crowd control reduction after activation (or 4 with ). This stacks multiplicatively with other sources, such as Tenacity and champion abilities.
 * This crowd control reduction will have no effect on additional but will reduce the duration of movement speed slows from additional.


 * 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:, , , , , , and.
 * is an example of an ability where the two parts are separate debuffs.

Trivia

 * 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.
 * Prior to V3.13 and  were 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 did not remove.

Patch History
Cleanse Läuterung Purge Oczyszczenie Cleanse