Types of Crowd Control

Here is a summary of the types of Crowd Control. denotes that the action is blocked

Please note the following:
 * Movement includes abilities (such as ).
 * For example, while airborne you can cast all summoner spells except and.
 * Ability refers to a champion's castable spells (by default Q, W, E and R).
 * cannot be activated where Abilities are disabled, as the item is intended to be used on allies.
 * Spells refers to the Summoner Spells.
 * Interrupt refers to whether or not the effect will cancel channeled abilities.
 * Contrary to popular belief, Roots and Entangles will NOT interrupt channeling. This is with the exception of two special-cases: and . Roots and Entangles will, however, interrupt charged abilities (namely,  and ).
 * removes any crowd control effect that would.

Airborne

 * The target is unable to control movement, attack or cast abilities.
 * The target remains targetable and will be affected by abilities as if they were on the ground (such as ).
 * The duration of the effect is related to how long the target is in the air. A common bug where a target who is dashing is made airborne causes them to be knocked "into orbit". The duration is largely extended due to the increased distance the target has to fall.
 * Interrupts the channeling of abilities.
 * The duration is unaffected by crowd control reduction.
 * The effect cannot be removed by any means.

Knockback

 * The target is made airborne in a direction directly away from the point of cast.
 * Champions with Knockback:, , , , , , , , , , , , , , , , , ,

Knock Aside

 * The target is made airborne in a direction tangent from the source.
 * Champions with Knock Aside:

Knockup

 * The target is made airborne on the spot.
 * Champions with Knockup:, , , , , , , ,, , , , , , , , , ,

Fling/Grab

 * The target is made airborne in a direction toward the point of cast, and in some cases over the point of cast.
 * Champions with Pull:, , , , , , , ,  and

Blind

 * The target will miss auto-attacks, incurring the message "Miss" above their attack target.
 * Blind only mitigates the physical damage portion of an attack, including physical damage sourced from a physical on-hit effect. Other damage types and effects won't miss. See: On-hit effects.
 * Abilities that apply on-hit effects will also miss.
 * Blind is considered a form of damage mitigation. As such, it is applied after 's passive.
 * Does not interrupt channeling.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects (except for Mikael's Crucible).
 * Blind will not affect certain champion abilities.(e.g. Riven's passive Runic Blade)
 * Blinded enemies will only miss if they attack while blinded. Ranged units will still hit if the projectile fires before the blind.
 * If is blinded, she can only proc her  if she tumbles. Normal auto attacks do not proc silver bolts while blinded (tested)
 * Champions with Blind:  ,

Entangle

 * The target is unable to control movement or attack.
 * This includes abilities and summoner spells that move the champion.
 * This will not prevent delayed teleports that have already begun channeling, such as . The target will arrive rooted, if the duration permits.
 * Does not interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Entangle:

Forced Action

 * ​The target is unable to control movement, attack or cast abilities.
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.

Charm

 * The target will attempt to move toward the source for the duration.
 * If the target does not have vision of the source, they will instead stand still.
 * If the source dies, the effect ends.
 * Champions with Charm:

Fear

 * The target will run away from the source with reduced movement speed for the duration.
 * Champions with Fear:, , , (non-champion enemies only).

Flee

 * The target will run directly away from the source.
 * Champions with Flee:

Taunt

 * The target will attempt to attack the source of the taunt for the duration.
 * If the target does not have vision of the source, they will simply stand in place.
 * If the target cannot attack the source (such as ), the target will simply stand in place.
 * If the source dies, the effect ends.
 * Champions with Taunt: , ,

Polymorph

 * ​The target is unable to attack or cast abilities and is slowed for the duration.
 * This is distinct from Blind as the target cannot attack at all: as such, on-hit effects are never used/wasted.
 * , when cast on an enemy, transforms the target into a small critter (reducing their size).
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Polymorph:

Root

 * The target is unable to control movement.
 * This includes abilities and summoner spells that move the champion.
 * Does not interrupt the channeling of abilities.
 * This will not prevent delayed blinks that have already begun channeling, such as . This is with the exception of and.
 * Will interrupt charges abilities. Namely:, and ).
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Root:, , , , , , , , , ,, , , ,.

Silence

 * The target is unable to cast abilities but able to cast summoner spells (excluding and ).
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with silence:, , , , , , , , ,

Slow

 * The target has reduced movement speed.
 * Does not interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with slow:, , , , , , , , , , , , , , ,, , , , , , , , , , ,  , , , , , , , , , , , , , , , , , ,, , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,.

Stun

 * The target is unable to control movement, attack or cast abilities.
 * Will interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Stun:, , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Suspension

 * The target is considered to be "airborne" for the purposes of, but the abilities are otherwise considered to be stuns (affected by crowd control reduction, can be removed, etc).
 * Champions with Suspension:, ,

Suppression

 * The target is unable to control movement, attack, cast abilities or summoner spells (including cleanse).
 * Will interrupt channeled abilities.
 * The duration is not affected by crowd control reduction.
 * The effect can be removed by all cleansing effects, except (since Suppression prevents summoner spell use).
 * Champions with Suppression: ,, ,

Types of Crowd Control