Stun

Stun is a crowd control effect in Diablo 4 which prevents movement and attacks. This applied to both players and enemies.

Class Stun skills

Barbarian Stun Skills

Basic
Bash Bash the enemy with your weapon, dealing 30% damage. After bashing enemies 4 times, your next Bash will Stun (CC) for 1.25 seconds, this increases to 2 seconds if using a Two-Handed weapon. Requires bludgeoning weapon. Damage: Physical Generate Fury: 13 Tags: Basic, Bludgeoning Lucky Hit Chance: 50%
Ultimate
Concussion Lucky Hit: Skills using Bludgeoning weapons have up to a 10 / 20 / 30% chance to Stun (CC) enemies for 3 seconds, or up to a 15 / 30 / 45% chance when using a Two-Handed Bludgeoning weapon. Requires a point in Wallop.
Defensive
Ground Stomp Smash the ground, dealing 10% damage and Stunning (CC) enemies for 3 seconds. Damage: Physical Cooldown: 16 seconds. Lucky Hit Chance: 33% Tags: Defensive
Brawling
Kick Throw a powerful kick that deals 18% damage and Knocks Back (CC) enemies in front of you. Enemies who are Knocked Back into terrain take an additional 70% damage and are Stunned (CC) for 3 seconds. Damage: Physical Charges: 2 Charge Cooldown: 13 seconds Lucky Hit Chance: 40% Tags: Brawling
Ultimate
Wallop Your skills using Bludgeoning weapons deal x 5 / 10 / 15% increased damage if the enemy is Stunned or Vulnerable.
Iron Maelstrom Activate three times to attach chains to each of your weapons and perform an attack: First your Two-Handed Bludgeoning weapon slams into the ground, dealing 60% damage and Stunning enemies for 2 seconds. Next your Two-Handed Slashing weapon swipes in front of you, dealing 20% damage and inflicting 120% Bleeding damage over 5 seconds. Finally your Dual Wield weapons swing around you, dealing 33% damage per hit. Requires a Full Arsenal of weapons. Damage: Physical Cooldown: 45 seconds Lucky Hit Chance: 24% Tags: Ultimate
Weapon Mastery
No Mercy You deal + 3/ 6 / 9% increased Critical Strike Chance against Immobilized, Stunned, or Slowed enemies. Requires point in Pit Fighter.

Druid Stun Skills

Wrath
Bad Omen Lucky Hit: Up to a 10 / 20 / 30% chance when dealing damage to a Vulnerable, Immobilized or Stunned enemy that a Lightning Bolt also hits dealing 55% damage. Requires a point in Charged Atmosphere or Endless Tempest.
Crushing Earth Earth skills deal x 5 / 10 / 15% increased damage to Slowed, Stunned, Immobilized or Knocked Back enemies.
Trample Shapeshift into a Werebear, become Unstoppable, and charge forward, dealing 75% damage and Knocking Back (CC) enemies. Enemies who are Knocked Back into terrain take an additional 45% damage and are Stunned (CC) for 3 seconds. Damage: Physical Cooldown: 14 seconds Lucky Hit Chance: 20% Tags: Wrath, Werebear, Shapeshifting
Key Passives
Earthen Might Lucky Hit: Damaging enemies with Earth skills has up to a 5% chance to: Restore all of your Spirit Cause your attacks to be guaranteed Critical Strikes for 5 seconds. This chance is increased by: 10% for Critical Strikes 10% if the target is Stunned, Immobilized, or Knocked Back.
Companion
Nature's Reach Deal x 3 /6 / 9% increased damage to Distant enemies. Double this bonus if they are also Slowed, Stunned, Immobilized or Knocked Back.
Ultimate
Natural Disaster Your Earth skills deal x 4 / 8 / 12% increased damage to Vulnerable enemies. Your Storm skills deal x 4 / 8 / 12% increased damage to enemies that are Stunned, Immobilized, or Knocked Back. Requires point in Defiance.
Petrify Encase all Nearby enemies in stone, Stunning (CC) them for 3 seconds. You deal x30% increased Critical Strike Damage to enemies affected by Petrify. Against Bosses, the Critical Strike Damage bonus is increased to x 50% and its duration is increased to 6 seconds. Type: Nature Magic Damage: Physical Cooldown: 50 seconds Tags: Ultimate, Nature Magic, Earth
Thick Hide Whenever you are Stunned, Immobilized, or Knocked Down, Fortify for 6 / 13 / 19% Maximum Life. Requires point in Defensive Posture.

Necromancer Stun Skills

Corpse & Macabre
Corpse Tendrils Veins burst out of a Corpse, Pulling in enemies, Stunning (CC) them for 3 seconds, and dealing 20% damage to them. Does not consume the Corpse. Damage: Physical Cooldown: 11 seconds Lucky Hit Chance: 20% Tags: Corpse, Corruption
Crippling Darkness Lucky Hit: Darkness skills have up to a 15% chance to Stun for 1 second. Point required in Reaper's Pursuit.
Terror You deal 3%[x] increased Shadow damage to enemies who are Slowed or Chilled, and 3%[x] increased Shadow damage to enemies who are Stunned, Immobilized, or Frozen. These bonuses stack and apply to Shadow damage dealt by your Minions. Point required in Crippling Darkness and Gloom.
Golem
Note - The Necromancer's Golem can stun.

Rogue Stun Skills

Imbuements
Shadow Crash Lucky Hit: Shadow Damage has up to a 10% chance to Stun for 0.5/1/1.5 seconds.
Key Passives
Momentum Cutthroat skills grant a stack of Momentum for 8 seconds if they either: Hit a Stunned, Dazed, or Frozen enemy Hit any enemy from behind While at 3 stacks if Momentum you gain: 20% increased Damage Reduction 30% increased Energy Regeneration 15% increased Attack Speed
Exposure Lucky Hit: Dealing direct damage to an enemy affected by a Trap skill has up to a 25% chance to: Reduce the active Cooldowns of your Trap skills by 20% Drop a cluster of Stun Grenades that deal 40% total Physical damage and Stun (CC) enemies for 0.50 seconds.

Sorcerer Stun Skills

Basic
Arc Lash Unleash arcing lightning that deals 42% damage to enemies in front of you. Every 10 times Arc Lash swipes, it Stuns all enemies hit for 2 seconds. Enchantment Slot Effect When you use a Cooldown, enemies around you are Stunned for 0.5 seconds. Damage: Lightning Lucky Hit Chance: 14% Tags: Basic, Shock
Ultimate
Convulsions Lucky Hit: Shock Skills have up to a 3%/6%/9% chance to Stun enemies for 3 seconds. Requires a point in Conduction or Electrocution.
Mastery
Shocking Impact Every time you Stun an enemy you deal 15%/30%/45% Lightning Damage to them. Requires a point in Static Discharge.

Aspects that stun

Generic Aspects

Aspect of Audacity	Resource	When there are at least 5 Close enemies, Stun (CC) them for 2 - 4 seconds. This can only occur once every 20 seconds. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)	N/A	Extraction	All
Aspect of Retribution	Offensive	Distant enemies have a 8% chance to be Stunned (CC) for 2 seconds when they hit you. You deal x 10 - 20% increased damage to Stunned enemies. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	Abandoned Mineworks (Map)	Kehjistan	All

Barbarian Aspects

Aspect of Anemia	Utility	Lucky Hit: Direct damage against Bleeding enemies has up to a [20-30%] chance to Stun them for [2.0] seconds. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)	Kor Dragan Barracks (Map)	Fractured Peaks	Barbarian
Skullbreaker's Aspect	Offensive	Stunning a Bleeding enemy deals 22 - 40% of their total Bleeding amount to them as Physical damage. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	N/A	Extraction	Barbarian
Weapon Master's Aspect	Utility	Your Weapon Mastery skills have an additional Charge. Lucky Hit: Damaging an enemy with a Weapon Mastery skill has up to a 37% - 55% chance to Stun (CC) them for 2 seconds. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)	N/A	Extraction	Barbarian

Necromancer Aspects

Torturous Aspect

Utility

Enemies afflicted by your Iron Maiden have a 15 - 25% chance to be Stunned (CC) for 1 second when they deal direct damage. Helm, Chest, Gloves, Boots, Shield, Amulet (+50%)

Deserted Underpass (Map)

Kehjistan

Necromancer

Rogue Aspects

Aspect of Surprise	Offensive	When you Evade or Shadow Step, you leave behind a cluster of exploding Stun Grenades that deal [# - #] total Physical damage and Stun enemies for 2 seconds. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	N/A	Extraction	Rogue
Opportunist's Aspect	Offensive	When you break Stealth with an attack, you drop a cluster of exploding Stun Grenades around your location that deal [# - #] total Physical damage and Stun (CC) enemies for 0.5 seconds. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	Prison of Caldeum (Map)	Kehjistan	Rogue
Trickster's Aspect	Offensive	Caltrops also throw a cluster of exploding Stun Grenades that deal [# - #] total Physical damage and Stun (CC) enemies for 0.5 seconds. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	Guulrahn Canals (Map)	Dry Steppes	Rogue

Sorcerer Aspects

Aspect of Control

Offensive

You deal 25 - 35% more damage to Immobilized, Stunned, or Frozen enemies. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)

Sunken Library (Map)

Kehjistan

Sorcerer

Countering Stun

When a player is affected by Stun, there are skills that can counter the effect. These include the following skills:

Barbarian

Brawling
Charge Become Unstoppable and rush forward pushing enemies with you then swinging through them for 25% damage and knocking them back (CC). Requires a complete Arsenal weapon. Cooldown: 17 seconds Damage: Physical Lucky Hit Chance: 33% Tags: Brawling
Defensive
Enhanced Rallying Cry Rallying Cry grants Unstoppable while active. Requires point in Rallying Cry.
Ultimate
Wrath of the Berserker Explode into a rage, Knocking Back surrounding enemies and gain Berserking and Unstoppable for 5 seconds. For the next 10 seconds, dealing Direct Damage with Basic skills grants Berserking for 5 seconds. Cooldown: 60 seconds Tags: Ultimate

Druid

Defensive
Enhanced Earthen Bulwark Earthen Bulwark makes you Unstoppable while active.
Ultimate
Prime Grizzly Rage Grizzly Rage makes you Unstoppable for 6 seconds
Wrath
Trample Shapeshift into a Werebear, become Unstoppable, and charge forward, dealing 75% damage and Knocking Back (CC) enemies. Enemies who are Knocked Back into terrain take an additional 45% damage and are Stunned (CC) for 3 seconds. Damage: Physical Cooldown: 14 seconds Lucky Hit Chance: 20% Tags: Wrath, Werebear, Shapeshifting

Rogue

Subterfuge
Concealment Vanish from sight, gaining an advanced form of Stealth for 5 seconds that will not be removed by taking damage. Concealment also makes you Unstoppable, grants +30% Movement Speed, and allows you to move freely through enemies for its duration. Using an attack skill during Concealment will break Concealment. Cooldown: 20 seconds Tags: Subterfuge
Ultimate
Prime Shadow Clone You are Unstoppable for 5 seconds after casting Shadow Clone.
Agility
Shadow Step Become Unstoppable and quickly move through the shadows and stab your victim from behind for 72% damage. Gain 50% increased Movement Speed for 2 seconds afterwards. Requires Dual Wielded weapons Cooldown: 9 seconds. Damage: Physical Lucky Hit Chance: 100% Tags: Agility, Imbueable, Cutthroat

Sorcerer

Defensive
Teleport Transform into lightning becoming Unstoppable and surging to the target location dealing 25% damage around you upon arrival. Cooldown: 11 seconds. Enchantment Slot Effect Evade is replaced with a short-range Teleport on a 17 second cooldown. Damage: Lightning Lucky Hit Chance: 65% Tags: Defensive, Shock