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, Chain (PP)

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.