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On-hit effect

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Not to be confused with spell effects, which are additional effects that occur when an ability lands.

On-hit effects are effects that trigger on a champion's autoattacks and a select few abilities. An autoattack or ability that applies on-hit effects can apply any number of these effects at once.

On-hit effects do not themselves trigger or apply other on-hit effects, nor do they apply spell effects; with four exceptions:

  • Blind mitigates all physical damage to your target, including on-hit effects
  • Life steal restores health based on all physical damage dealt to your target, including on-hit effects
  • The Black Cleaver applies to all physical damage sourced from the holder, including on-hit effects
  • Morellonomicon applies to all magical damage sourced from the holder, including on-hit effects

Notes:

  • In almost all cases, the attack that triggers an on-hit effects may still critically strike and apply life steal. Also in most cases, critically striking will not affect the damage of the on-hit effect.
  • Critical strike is not considered an on-hit effect. A very select few abilities can critically strike, namely  Parrrley and  Judgment, but this should not be mistaken for standard functionality.
  • There are a few abilities that are occur on-hit that are incorrectly (and possibly intentionally) flagged as abilities, rather than on-hit effects. As such they behave like abilities and apply spell effects, and do not follow the rules detailed on this page. This abilities will be highlighted below.

LifestealEdit

Life steal is an offensive stat that converts a percentage of the physical damage dealt by a champion's basic attack or ability that applies on-hit effects to health regained. For the main article, see life steal.

Life steal applies to all physical damage dealt on-hit, including any sourced from on-hit effects (with a few exceptions). Sheen and Nasus's  Siphoning Strike is a renowned example of powerful sustain as life steal not only applies to the basic damage on the attack, but the bonus damage on Sheen and the stacked damage on Siphoning Strike.

Life steal is calculated from the actual damage done to an enemy after armor and all other forms of damage reduction. Almost all champions have 0% base life steal. It can be increased with items, runes, masteries, and some champion abilities.

Damage dealt to enemies beyond your target through splash damage will not apply life steal. That is unless the damaging effect specifically states that on-hit effects will apply to all enemies damaged (such as Ravenous Hydra and  Spray and Pray).

BlindEdit

For the full article, see crowd control.

While blinded, an attacker will not cause any on-hit damage. In most cases, non-damaging effects will still occur. Also in most cases, most one-use abilities will not be consumed until the attacker successfully lands an attack.

Abilities that apply on-hit effects Edit

The following abilities will apply on-hit effects instead of spell effects. While it shouldn't need saying, any ability not listed here will apply spell effects, regardless of how similar it may be to the abilities on this list or how similar to effect resembles a basic attack.

The following pets will apply on-hit effects:

  • Shaco's  Hallucinate
    • Deals 75% of Shaco's attack damage, and any cloned on-hit effects at full damage. The clones attacks can critically strike and any life steal will heal itself.
  • Yorick's  Omen of Death
    • Deals 45 / 60 / 75 % of Yorick's attack damage, and any copied on-hit effects at full damage. PENDING FOR TEST: The clone's attacks can critically strike and any life steal will heal itself.
  • Mordekaiser's  Children of the Grave
    • Deals magic damage equal to the target's base AD at level 1 + 100% of the target's bonus AD + 75% of Mordekaiser's AD (not including the 20% increase from Children of the Grave). It will apply any cloned on-hit effects sourced from items but not those sourced from champion abilities. Despite not applying spell effects, it will generate shield through  Iron Man. PENDING FOR TEST: The clones attacks can critically strike and any life steal will heal itself.
  • LeBlanc's  Mirror Image
    • Deals 0% of LeBlanc's attack damage but will apply any cloned on-hit effects at full damage. Whether or not the mirror image can critically strike or trigger life steal is irrelevant as it has no basic attack damage.

Champion Abilities Edit

Physical Damage Edit

The damage dealt by these abilities will apply life steal unless otherwise stated.

Non-Physical Damage Edit

These abilities will not incur any healing. In all cases, the triggering attack will still apply life steal.

Damage Over Time Edit

These abilities will not incur any healing. In all cases, the triggering attack will apply life steal.

Splash Damage Edit

For the full article, see area of effect.

The damage dealt to enemies other than the original target will not trigger on-hit effects or spell-effects unless otherwise stated. If the attack misses or is blocked, the effect will not trigger.

On Being Hit Edit

The following abilities occur on being hit:

Non-Damaging Edit

The following abilities have a non-damaging on-hit effect component:

ExceptionsEdit

The following "on-hit effects" are incorrectly, although possibly intentionally classified as abilities and will trigger spell effects. The triggering attack can still trigger life steal in most cases.

Kassadin's Nether Blade is the only one of these skills that states in its description that it behaves differently.

MisnomersEdit

PetsEdit

For the full article, see pets.

Pets have a complicated relationship with on-hit effects and spell effects.

  • Any damage dealt by a pet that isn't its basic attacks will apply spell effects.
  • If its basic attacks deal damage based on its AD (regardless of whether the damage is physical or magical), it will trigger any on-hit effects that it is in possession of. It will not trigger the on-hit effects of its owner and it will not trigger spell effects at all.
  • If its basic attacks deal damage based on its AP (regardless of wether the damage is physical or magical), it will trigger its owner's spell effects. It will not trigger on-hit effects, neither its own or its owner's.

Shaco's  Jack In The Box is the only exception, although this is likely due to how old the champion is. The box's attacks will trigger spell effects, and despite having attack damage it deals damage based on an unseen statistic.

On-Attack EffectsEdit

The following effects occur when your champion attacks, and not when the attack hits. These effects will still occur even if the attack is dodged or blocked, or the attacker is blinded (note that blind will still mitigate the damage if on-hit effects are applied). There does not appear to be a consistent ruling for on-attack effects.

Applies spell effects
Applies on-hit effects
Applies neither

TriggersEdit

The following effects are abilities that can be detonated on-hit. Regardless of how they are detonated, they will trigger spell effects.

Items Edit

On-Hit EffectsEdit

  • The Black Cleaver: Dealing physical damage to an enemy champion reduces their armor by 6.25% for 4 seconds. This effect stacks up to 4 times. 3000 gold
  • Blade of the Ruined King: Unique passive: Your attacks deal 5% of the target's current health in physical damage (60 max vs. minions and monsters). 3200 gold
  • Doran's Blade: On-hit you restore 5 health 475 gold
  • Entropy: Unique passive: 25% chance on hit to reduce your target's movement speed by 30% for 2.5 seconds. 3565 gold
  • Executioner's Calling: Unique passive: On hit, target suffers Grievous Wounds for 1.5 seconds. 1350 gold
  • Frozen Mallet: Unique passive: On hit, target is slowed by 40% (30% if ranged attack) for 2.5 seconds. 3250 gold
  • Furor: Unique - Furor: Whenever you deal damage with an attack or single-target spell, you gain 12% movement speed that decays over 2 seconds. 650g gold
  • Grez's Spectral Lantern: Unique: Your basic attacks against minions and monsters have a 20% chance to deal 200 bonus magic damage. 1250 gold
  • Hextech Gunblade: Unique - Reload: Your basic attacks and single target spells against champions reduce the cooldown of this item by 3 seconds.{{{3}}} {{{4}}} gold
  • Kitae's Bloodrazor: Unique passive: On hit, target suffers magic damage equal to 2.5% of the target's maximum health. 2525 gold
  • The Lightbringer: Unique - Vanquish: Basic attacks have a 20% chance to deal 100 bonus magic damage. Effect doubled for non-champions. 2425 gold
  • Madred's Razors: Unique - Maim: Your basic attacks against minions and monsters have a 25% chance to deal 300 bonus magic damage. Unique - Rend: Basic attacks deal 10 bonus true damage to monsters. 700 gold
  • Muramana: Toggle: Single target spells and attacks (on hit) consume 3% of current Mana to deal bonus physical damage equal to twice the amount of Mana consumed. 2100 (Cannot be bought) gold
  • Phage: Passive: On hit, 25% chance for target to be slowed by 30% (melee) or 25% (ranged) for 2 seconds. 1465 gold
  • Ravenous Hydra: Unique – Cleave (Melee only): Your attacks deal physical damage up to 60% of your Attack Damage to units around your target, decaying down to 20% near the edge. 2300 gold
  • Sanguine Blade: Unique passive: On hit, you gain +6 attack damage and +1% life steal for 4 seconds (maximum 5 stacks). 2850 gold
  • Spirit of the Elder Lizard: Unique Passive - Incinerate: Basic attacks and damaging abilities (excluding damage over time) burn the target for 6-40 (based on level) true damage over 3 seconds. 2400 gold
  • Tiamat: Unique – Cleave (Melee only): Your attacks deal physical damage up to 60% of your Attack Damage to units around your target, decaying down to 20% near the edge. 2300 gold
  • Trinity Force: Unique Passive - Icy: Your basic attacks have a 25% chance to slow your target's movement speed by 30% for 2 seconds (20% for ranged attacks). 4200 gold
  • Wit's End: Unique: On-hit you deal 42 bonus magic damage. 2200 gold
  • Wriggle's Lantern: Unique Passive - Maim: Your basic attacks against minions and monsters have a 25% chance to deal 500 additional magic damage. 1600 gold

A few items have on-hit effects that require being activated:

  • Entropy: Unique: For 5 seconds, your attacks reduce your target's movement speed by 30% and deal 80 true damage over 2.5 seconds. 60 second cooldown. 3565 gold (the activation of Entropy counts as casting an ability, and so will trigger effects like Sheen)
  • Lich Bane: Unique – Spellblade: After using an ability, your next basic attack deals bonus magic damage equal to 50 + 75% of your ability power. 2 second cooldown. 3000 gold
  • Sheen: Unique Passive - Spellblade: On cast, your next standard attack deals additional physical damage equal to 100% of your base attack damage. (2 second cooldown) 1260 gold
  • Trinity Force: Unique Passive - Spellblade: After using an ability, your next basic attack deals bonus damage equal to 150% of your base attack damage as physical damage. (2 second cooldown). 3903 gold

On-Attack EffectsEdit

The following effects occur when your champion attacks, rather than when the attack hits. They will trigger even if the attack is blocked or dodged, or if the attacker is blinded.

  • Guinsoo's Rageblade: Passive: Your basic attacks or spellcasts grant you 4% attack speed and 4 ability power for 8 seconds. This bonus stacks up to 8 times. 2600 gold
  • Manamune: Unique - Mana Charge: Each time you attack, cast a spell or spend mana, your maximum mana increases by 4 (3 second cooldown). Bonus caps at +750 bonus mana. 2100 gold
  • Runaan's Hurricane: Unique: On-attack you fire minor bolts at 2 nearby targets, each dealing 10 + 50% of your attack damage and applying on-hit effects. 2450 gold
  • Wit's End: Unique: On-attack you steal 5 magic resistance for 5 seconds (maximum 4 stacks). 2200 gold

On Being Hit Edit

A few other items trigger an effect on being hit by an enemy champion instead:

  • Hexdrinker: Unique - Lifeline: Upon taking magic damage that would reduce health below 30%, grants a shield that absorbs 250 magic damage for 5 seconds (90 second cooldown). 1350 gold
  • Maw of Malmortius: Unique - Lifeline: Upon taking magic damage that would reduce health below 30%, grants a shield that absorbs 400 magic damage for 5 seconds (90 second cooldown). 3200 gold
  • Randuin's Omen: Unique Passive – Cold Steel: If you are hit by a basic attack, you slow the attacker's attack speed by 15% and their movement speed by 10% for 1.5 seconds. 3100 gold
  • Thornmail: Unique passive: On being hit, returns 30% of damage, before any reductions such as armor, as magic damage. At least 15 damage must be received. 2200 gold
  • Warden's Mail: Unique – Cold Steel: If you are hit by a basic attack, you slow the attacker's attack speed by 15% for 2 seconds. 1100 gold
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