Crowd ControlGive feedback
Crowd Control (CC) in gaming refers to effects that alter an opponent's capability to function, including their movement, ability use, weapon firing, and many others.
They can be applied both by Hero's abilities and Items from the Shop.
Types of Crowd Controls
Movement Slow
Reduces the target's movement speed or fire rate by applying Movement Slow.
For example, a 30% slow reduces a 10 meters / second movement speed to 7 m/s.
Movement Slow cannot reduce a target's speed below 2 meters / second.
Stun
Prevents the target from shooting, using abilities, using items, and moving. Stun also causes the target to be Interrupted.
Examples of stun include Infernus' 
Concussive Combustion, Ivy's 
Stone Form, and Dynamo's 
Singularity.
Sleep
Similar to Stun, it prevents the target from shooting, using abilities, and slowing them to 2m/s. However, it does not Interrupt. Receiving any damage wakes the target instantly.
The only source of Sleep is 
Haze's 
Sleep Dagger.
Root
Reduces all speed to 0 and stops all movement except falling due to gravity, but can still be moved by others. Additionally, it prevents the use of movement related abilities, such as 
Warden's 
Binding Word. Lastly, it removes all upwards acceleration, making them fall to the ground.
Silence
Prevents the target from activating abilities, though they can still use Item actives.
A common cause of confusion is that 
Silence does not Interrupt, meaning abilities that have started will always continue through Silence, such as 
Seven's 
Storm Cloud.
Item Silence
Prevents the target from using Item actives, though they can still use abilities.
Examples include the 
Curse Item and 
Slowing Hex for some items.
Disarm
Prevents the target from firing their main weapon but melee attacks can still be used. Note that abilities that use weapon-damage can still be used while 
Disarmed, such as Haze's 
Bullet Dance.
Examples of Disarm include 
Mo & Krill's 
Sand Blast and 
Bebop's 
Sticky Bomb.
Interrupt
Interrupts instantly cancel all ability casts and channels. It alone does not prevent further use of abilities. When targets are Stunned they are also Interrupted.
Examples of Interrupt (other than Stun) include the Curse and 
Knockdown Items and 
Grey Talon's 
Spirit Snare.
Displace
Exerts some force on the target that modifies their acceleration or velocity, moving or knocking them around.
Examples include 
Lash's 
Ground Strike, Bebop's 
Exploding Uppercut and 
Hook, 
Vindicta's 
Stake, the 
Rescue Beam and Knockdown Items, and more.
Time Stop
The target acts as if time is frozen, pausing their movement, animations, casts, channels.
The effects of time stopped abilities can still function. For example, if 
Dynamo is time stopped during his Singularity channel, it still pulls and stuns enemies. Note that this technically lengthens the duration of the Singularity.
Crowd Control Reductions and Immunities
Effects that reduce the intensity of crowd control, either partially or completely.
Slow Resistance
Reduce the effectiveness of slows.
For example, 
Infernus' 
Flame Dash normally moves at 12 meters per second, but with a 30% slow and its innate 50% slow resistance it is slowed down by 15% to 10.2m/s.
Ethereal
Become unable to be hit or targeted. All projectiles and area effects phase through while you also can not be targeted by Items such as Curse or Abilities such as Mo & Krill's 
Combo.
Examples include 
Ethereal Shift and 
Calico's 
Return to Shadows and the transformation phase of 
Yamato's 
Shadow Transformation.
While Yamato cannot move during the transformation phase, both Ethereal Shift and Return to Shadows allow limited movement.
Purge
Instantly remove all debuffs.
Some debuffs delay the crucial negative effect, such as Bebop's Sticky Bomb. Therefore, if the bomb is attached, then the target purges their debuffs, the bomb never explodes.
Examples include 
Viscous' 
The Cube (Tier 3), Yamato's Shadow Transformation, and 
Debuff Remover.
Unstoppable
Become immune to all forms of crowd control.
For example the 
Unstoppable Item, 
Abrams' 
Seismic Impact, and Yamato's Shadow Transformation.
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