Verified for patch 16.8.1

Stun

Disables the target for a duration: no movement, no attacks, no ability casts.

Also known as: stunned, stunning

What enables Stun

Champions (4)

  • 1 Leona On the Menu 
    Gain ? Ability Power Shield for 4 seconds. Bash the current target, dealing 100 / 150 / 225 ArmorMagic Resist magic damage and stunning them for 1.75 / 1.75 / 2 seconds.
  • 2 Jax On the Menu 
    Enter a defensive stance for 3 seconds, reducing incoming damage by 15 / 25 / 35 Ability Power and gaining 400 / 500 / 675 Ability Power Shield. When the stance ends, strike all nearby enemies, dealing ? ArmorMagic Resist magic damage and Stunning them for 1 / 1.25 / 1.5 second(s).
  • 3 Maokai On the Menu 
    Passive: Gain 45% more max Health from all sources.

Active: Converge an X-shape of vines on the target, dealing ? Ability Power magic damage to each enemy hit and Stunning them for 1.5 / 1.5 / 1.75 seconds. 

N.O.V.A. Strike: Send forth a wave of dragons that stun all enemies for 1.5 / 1.5 / 1.75 seconds. For the rest of combat, Maokai's attacks deal ? Max Health bonus physical damage.
  • 5 Sona On the Menu 
    Hurl a chunk of magnetic debris at the nearest target without one, dealing 240 / 360 / 999 Ability Power magic damage and sticking it to them. If an enemy with debris dies, it passes to the nearest enemy without one.

Every 5 casts, instead rip off all debris dealing 120 / 180 / 999 Ability Power magic damage, then crush all the debris onto the target, dealing 620 / 930 / 9999 Ability Power magic damage and briefly stunning them.

Artifacts (4)

  • Eternal Winter On the Menu
    • +200 HP
    • +20 Armor

    Enemies who damage the holder are 20% Chilled for 1.5 seconds. After 7 Chills from this item, the attacker is Stunned instead (Cooldown: 15 seconds). [Unique - only 1 per champion] Chill: reduce Attack Speed Stun: cannot move, attack, or cast Abilities

  • Horizon Focus On the Menu
    • +250 HP
    • +20 Armor
    • +20 MR
    • +2 Mana Regen

    Stunning an enemy causes lightning to strike them, dealing 30% of their max Health as magic damage.

  • Silvermere Dawn On the Menu
    • +80 Armor
    • +80 MR
    • +140% AD

    Grants immunity to Stuns and the holder's attacks Stun the target for 0.8 seconds. The holder's Attack Speed is locked at 0.5.

  • The Indomitable On the Menu
    • +500 HP
    • +20 Armor
    • +20 MR

    The holder's Move Speed is drastically reduced. Gain 15% max Health, stun immunity, and pull the current target into melee range.

Graves items (1)

  • Shockwave On the Menu

    Combat Start: Unleash a shockwave forward that deals 15% of Graves' max Health as magic damage and stun enemies hit for 2 seconds.

Augments (2)

Gold (2)

  • Arcane Viktor-y On the Menu 
    After 8 seconds of combat, stun the enemy team for 1.5 seconds. Repeat this after 18 seconds of combat.

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  • Crash Test Dummies On the Menu 
    Gain 2 Training Dummies. Combat start: Your Training Dummies launch themselves towards a group of enemies and Stun them for 1 seconds.