Slowed

Slow (Slowed) is considered a Crowd Control effect in Diablo 4.

As the name suggests, the slows an enemy but it only slows movement speed and not attack speed.

Innate Debilitating Roar

Barbarian Skills

Brawling
Mighty Leap Enemies damaged by Leap are Slowed (CC) by 70% for 5 seconds. Requires point in Enhanced Leap.
Ultimate
Supreme Call of the Ancients Each of the Ancients gains additional power: Korlic: You gain 10 Fury each time Korlic damages an enemy with Frenzy. Talic: Enemies are Slowed by 50% for 1 second when damaged by his Whirlwind. Madawc: 30% chance to Stun enemies for 3 seconds when using his Upheaval. Requires point in Prime Call of the Ancients.
Weapon Mastery
Hamstring Your Bleeding effects Slow (CC) Healthy enemies by 20 / 40 / 60%

Druid Skills

Core
Primal Tornado Enemies damaged by Tornado are Slowed (CC) by 8% for 3 seconds, stacking up to 40%.
Defensive
Enhanced Cyclone Armor Enemies who are Knocked Back by Cyclone Armor are also Slowed (CC) by 70% for 2 seconds.
Innate Debilitating Roar Debilitating Roar also slows (CC) enemies by 65% for its duration
Wrath
Enhanced Hurricane Enemies who are damaged by Hurricane are Slowed (CC) by 25% for 2 seconds.
Enhanced Boulder When Boulder reaches the end of its path, enemies hit are Slowed (CC) by 30% for 3 seconds. If Boulder Overpowered, enemies are Stunned (CC) for 4 seconds instead.
Passives
Neurotoxin Poisoned enemies are Slowed (CC) by 8 / 16 / 24%.

Necromancer Skills

Core
Enhanced Blight Blight Slows (CC) enemies by 25%
Curse
Decrepify Curse the target area. Enemies afflicted by Decrepify are Slowed (CC) by 40% and deal 20% less damage for 10 seconds. Damage: Physical Essence Cost: 10 Tags: Curse, Corruption
Corpse & Macabre
Enhanced Corpse Tendrils Enemies who are in range of Corpse Tendrils are Slowed (CC) by 50% before being Pulled (CC).
Ultimate
Prime Blood Wave Blood Wave Slows (CC) enemies by 50% for 4 seconds.

Rogue Skills

Basic
Puncture Throw your blades a short distance, dealing 21% damage. Every 3rd cast Slows (CC) enemies by 20% for 2 seconds. Critical Strikes will always Slow. Requires Dual Wielded Weapons. Damage: Physical Lucky Hit Chance: 35% Tags: Basic, Marksman
Core
Advanced Penetrating Shot When cast with full Energy Penetrating Shot will Slow (CC) all enemies it hits by 50% for 3 seconds. Elite enemies will also be Knocked Down (CC) for 1.5 seconds.
Agility
Disciplined Dash Dash Slows (CC) enemies it hits by 30% for 3 seconds. Any enemy already Slowed will be Dazed (CC) for 2 seconds instead.
Caltrops Leap backwards and throw caltrops on the ground, dealing 40% damage and Slowing (CC) enemies by 50%.  Lasts 7 seconds. Charges: 2 Charge Cooldown: 12 seconds Damage: Physical Tags: Agility, Trap Lucky Hit Chance: 25%

Druid Aspects

Aspect of Quicksand

Utility

Damage from Earth Skills Slow (CC) enemies hit by 25 - 50% for 5 seconds. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)

Ferals' Den (Map)

Scosglen

Druid

Sorcerer Aspects

Aspect of Singed Extremities

Utility

After Immobilize (CC) wears off, enemies are Slowed (CC) by 40 - 60% for 4 seconds. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)

Earthen Wound (Map)

Hawezar

Sorcerer