Action modifiers (more commonly known as disables or crowd control) prevent or reduce the effectiveness of actions the afflicted unit can take.

Types of action modifiers

  • Blind
    • Makes the target always miss with auto attacks.
    • Has no effects on abilities and will not interrupt them or prevent their damage.
  • Charm
    • Forces the target to walk towards the champion who applied this crowd control.
    • Prevents controlled movements, auto attacks, and the use of abilities.
    • Will interrupt channeled abilities.
    • Will slow the target.
  • Fear
    • Forces the target to run around randomly around its location.
    • Prevents controlled movement, auto attacks, and the use of abilities.
    • Will interrupt channeled abilities.
    • Will slow the target.
  • Knockup
    • Knocks the target into the air but does not change their location.
    • Prevents movement, auto attacks, and the use of abilities while in the air.
    • Will interrupt channeled abilities.
    • Cannot be removed by Cleanse Cleanse or reduced by Tenacity.
  • Polymorph
    • Prevents the use of most abilities.
    • Prevents auto attacks.
  • Silence
    • Prevents use of most spells and abilities.
    • Does not stop auto attacks.
    • Will interrupt channeled abilities.
  • Stun
    • Immobilizes and prevents actions.
    • Will interrupt channeled abilities.
    • Blocks use of most abilities.
  • Suppression
    • Immobilizes and prevents actions.
    • Will interrupt channeled abilities.
    • Prevents use of most abilities.
    • Cannot be removed by Cleanse Cleanse or reduced by Tenacity.
  • Taunt
    • Forces the target to try to auto attack the taunting champion, making him unable to do anything else.
    • Will interrupt channeled abilities.
    • Can force movement because target will chase to try to autoattack while taunted.

Table of action modifiers

Action removal modifiers

These modifiers will take away a champion's ability to perform certain actions, such as: hit with auto attacks, move, use abilities/items, or combinations of these.

Blinds, knockups, silences, stuns and suppressions

Source Name Description Duration Notes
Summoner Spells
Exhaust Exhaust Reduce  damage and movement by 30% and attackspeed by 50%.  3 seconds Also slows
Champion Abilities
AlistarSquare Alistar Pulverize Pulverize Knockup and Stun 1 + 0.5 seconds
AmumuSquare Amumu Bandage Toss Bandage Toss Stun 1 second
AniviaSquare Anivia Flash Frost Flash Frost Stun 1 second Upon detonation
AnnieSquare Annie Pyromania Pyromania Stun 1.75 seconds Applied on damaging spell cast
AsheSquare Ashe Enchanted Crystal Arrow Enchanted Crystal Arrow Stun 3 seconds Applies only to the target hit directly
BlitzcrankSquare Blitzcrank Rocket Grab Rocket Grab Stun ~0.5 sec Pulls target towards Blitzcrank
Power Fist Power Fist Knockup 2 seconds
Static Field Static Field Silence 0.5 seconds
BrandSquare Brand Sear Sear Stun 2 seconds On targets set ablaze
CassiopeiaSquare Cassiopeia Petrifying Gaze Petrifying Gaze Stun 2 seconds Enemies with their backs turned to Cassiopeia are slowed instead
Cho'GathSquare Cho'Gath Rupture Rupture Knockup 1 second Also applies a slow
Feral Scream Feral Scream Silence (1.5/1.75/2/2.25/2.5) seconds
FizzSquare Fizz Chum the Waters Chum the Waters Knockup 1
FiddlesticksSquare Fiddlesticks Dark Wind Dark Wind Silence 1.2 seconds Each bounce refreshes the silence
GarenSquare Garen Decisive Strike Decisive Strike Silence 2.5s
HeimerdingerSquare Heimerdinger CH-1 Concussion Grenade CH-1 Concussion Grenade Blind (1/1.5/2/2.5/3) seconds
Stun 1.5 seconds Only affects targets directly hit
IreliaSquare Irelia Equilibrium Strike Equilibrium Strike Stun (1/1.25/1.5/1.75/2) seconds Only targets with higher %HP
JannaSquare Janna Howling Gale Howling Gale Knockup 0.8 seconds
Jarvan IVSquare Jarvan IV Dragon Strike Dragon Strike Knockup Only on contact with Demacian Standard Demacian Standard's flag
JaxSquare Jax Counter Strike Counter Strike Stun 1 second
KassadinSquare Kassadin Null Sphere Null Sphere Silence (1/1.4/1.8/2.2/2.6) seconds
KennenSquare Kennen Mark of the Storm Mark of the Storm Stun 1 second On receiving third mark
LeBlancSquare LeBlanc Sigil of Silence Sigil of Silence
Mimic Sigil of Silence Mimic: Sigil of Silence
Silence 2 seconds When activated by another ability
LeonaSquare Leona Shield of Daybreak Shield of Daybreak Stun 1.25 seconds
Solar Flare Solar Flare Stun 1.5 seconds Only in the center of the AoE
MalphiteSquare Malphite Unstoppable Force Unstoppable Force Knockup 1.5 seconds
LuluSquare Lulu Whimsy Whimsy Polymorph (1.5 / 1.75 / 2 / 2.25 / 2.5) seconds
MalzaharSquare Malzahar Call of the Void Call of the Void Silence (1.4/1.8/2.2/2.6/3) seconds
Nether Grasp Nether Grasp Suppression 2.5 seconds Suppression breaks when Malzahar stops channeling
MorganaSquare Morgana Soul Shackles Soul Shackles Stun (1/1.5/2) seconds Only if tethered targets, 3 sec after initial activation
NamiSquare Nami Aqua Prison Aqua Prison Stun 1.25 seconds
Tidal Wave Tidal Wave Knockup Also slows all enemies hit.
NautilusSquare Nautilus Depth Charge Depth Charge Stun (1/1.5/2) seconds Also knocks up target and all enemies it passes through
PantheonSquare Pantheon Aegis of Zeonia Aegis of Zeonia Stun 1 second
PoppySquare Poppy Heroic Charge Heroic Charge Stun 1.5 seconds If pushed into terrain
RenektonSquare Renekton Ruthless Predator Ruthless Predator Stun 0.75 seconds 1.5 seconds with ≥50 Fury
RivenSquare Riven Ki Burst Ki Burst Stun 0.75 seconds
SejuaniSquare Sejuani Glacial Prison Glacial Prison Stun 2 seconds (on first champion hit) Stun duration is halved in an area around the first champion is strikes. Applies Frost Frost
SionSquare Sion Cryptic Gaze Cryptic Gaze Stun 1.5 seconds
SkarnerSquare Skarner Impale Impale Suppression 1.75 seconds Skarner may also drag the target during the suppression
SonaSquare Sona Crescendo Crescendo Stun 1.5 seconds
SorakaSquare Soraka Infuse Infuse Silence (1/1.5/2/2.5/3) seconds
SyndraSquare Syndra Scatter the Weak Scatter the Weak Stun 1.5 seconds Only if the enemy gets hit by a knocked back Dark Sphere Dark Sphere
TaricSquare Taric Dazzle Dazzle Stun 1.5 seconds
TeemoSquare Teemo Blinding Dart Blinding Dart Blind (1.5/1.75/2/2.25/2.5) seconds
Twisted FateSquare Twisted Fate Gold Card Pick a Card Stun (1/1.25/1.5/1.75/2) seconds Gold Card
UdyrSquare Udyr Bear Stance Bear Stance Stun 1 second Applied on hit; 6s cooldown per target
UrgotSquare Urgot Hyper-Kinetic Position Reverser Hyper-Kinetic Position Reverser Suppression 1 second Switches the position of the target and Urgot.
VayneSquare Vayne Condemn Condemn Stun 1.5 seconds If pushed into terrain
VeigarSquare Veigar Event Horizon Event Horizon Stun (1.5/1.75/2/2.25/2.5) seconds Upon first touching the perimeter. Only applies once per cast.
rViSquare Vi Assault and Battery Assault and Battery Knockup 1.25 seconds Knocks up all enemies Vi comes in contact with during her dash
ViktorSquare Viktor Gravity Field Gravity Field Stun 1.5 seconds Upon reaching 3 slow stacks
Chaos Storm Chaos Storm Silence 0.5 seconds Applies only when cast
WarwickSquare Warwick Infinite Duress Infinite Duress Suppression 1.7 seconds Suppression is broken when Warwick stops channeling
WukongSquare Wukong Cyclone Cyclone Knockup Knocks up any one target only once per cast
XerathSquare Xerath Mage Chains Mage Chains Stun 1.5 seconds When detonated by another spell
Xin ZhaoSquare Xin Zhao Three Talon Strike Three Talon Strike Knockup Applied on third hit
ZyraSquare Zyra Stranglethorns Stranglethorns Knockup

Forced action modifiers

A special form of CC, but equally powerful, are the forced action modifiers. These force the target to do something, temporarily rendering the player's input useless. Specifically, taunts force the affected champion to attack the taunting champion, while fear causes the affected champion to simply run around aimlessly for the duration.

Fear, Taunt List
Source Name Description Duration Notes
Champion Abilities
AhriSquare Ahri Charm Charm Charm (1/1.25/1.5/1.75/2) seconds
FiddlesticksSquare Fiddlesticks Terrify Terrify Fear (1/1.5/2/2.5/3) seconds
GalioSquare Galio Idol Of Durand Idol Of Durand Taunt 2 seconds
HecarimSquare Hecarim Onslaught of Shadows Onslaught of Shadows Fear 1 second Feared enemies run away from Hecarim
NocturneSquare Nocturne Unspeakable Horror Unspeakable Horror Fear (1/1.25/1.5/1.75/2) seconds
RammusSquare Rammus Frenzying Taunt Puncturing Taunt Taunt (1/1.5/2/2.5/3) seconds
ShacoSquare Shaco Jack in the Box Jack In The Box Fear (0.5/0.75/1/1.25/1.5) seconds When triggered
ShenSquare Shen Shadow Dash Shadow Dash Taunt 1.5 seconds
VolibearSquare Volibear Majestic Roar Majestic Roar Fear 3 seconds Only on minions and monsters
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