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Damage Annie

Damage is displayed as a red section on a champion's health bar.

Note: Not to be confused with attack damage, a champion statistic, nor health costs.

Damage is the deduction of a unit's current health as a result of an offensive interaction.

Subtypes

Damage types

There are three types of damage in League of Legends.

Critical damage

Critical damage is an additional tag applied to critical strikes and some abilities (note that some abilities that use the Critical strike icon impact text only do so with a gameplay clarity intention (usually to signify the enhanced damage of an ability) and aren't actually critical strikes). Critical damage will be reduced by Randuin's Omen item Randuin's Omen, triggers Critical strike icon impact text, as well as the highest instance of critical damage being tracked in the post-game stats.

Pet damage

Pet damage is an additional tag applied to the damage inflicted by champion summoned units. This is in addition to any other classifications. For example, the damage dealt by Tibbers OriginalSquare Tibbers' basic attacks and aura are both classified as "pet damage" in addition to basic attack damage and ability damage, respectively. This classification is currently only used by Rylai's Crystal Scepter item Rylai's Crystal Scepter.

Archetypes

Ability damage

Ability damage is the damage type inflicted by almost all abilities. Fizz OriginalSquare Fizz's Urchin Strike Urchin Strike is noteworthy for applying both basic attack damage and ability damage.
  • Ability damage will apply spell effects, including spell vamp.
  • Some abilities grant the champion bonus ability damage on their attacks. As a standard, however, most effects that trigger on a champion's basic attacks (including those sourced from an ability) deal on-hit damage.
  • Some abilities modify the champion's attacks to deal ability damage.
  • Most spell effects inflict ability damage, allowing them to trigger other spell effects (excluding itself).

Basic attack damage

Basic attack damage is the classification for the damage dealt by almost all basic attacks with the notable exceptions being a handful of champion summoned units.

  • Basic attacks will trigger on-hit effects once. Some abilities and items can increase this.
  • Physical basic attack damage will apply life steal. This means modified basic attacks that deal magic or true damage will not life steal from that damage, except for Corki OriginalSquare Corki, who will also life steal from magic damage.
  • Some abilities modify the amount of basic attack damage dealt, such as Corki OriginalSquare Corki's Hextech Munitions Hextech Munitions.

Bleed damage

Bleed damage, or damage over time (DoT), is the classification for many of the game's lesser damage over times, which are in most cases attached to a basic attack but is also applied by some spell effects.

On-hit damage

On-hit damage is the classification for the damage dealt by on-hit effects, which are effects that trigger when a basic attack hits.

Splash damage

Splash damage, or area of effect damage (AoE), is the damage type applied by some area of effects that deals damage in a defined area, either around the target or in a chosen place.

Damage Calculation

Physical and magic damage are first reduced (or amplified) by armor and magic resistance respectively before being applied to target, which is referred to as post-mitigation damage. This can be calculated through a damage multiplier.

  • Physical damage's damage multiplier:

$ \pagecolor{Black}\color{White}{\rm Damage\ multiplier}=\begin{cases}{100 \over 100+{\it Armor}}, & {\rm if\ }{\it Armor} \geq 0\\2 - {100 \over 100 - {\it Armor}}, & {\rm otherwise}\end{cases} $

  • Magic damage's damage multiplier:

$ \pagecolor{Black}\color{White}{\rm Damage\ multiplier}=\begin{cases} {100 \over 100+{\it MR}}, & {\rm if\ }{\it MR} \geq 0\\ 2 - {100 \over 100 - {\it MR}}, & {\rm otherwise} \end{cases} $

Actual damage types

Name API name Description Example(s)
Fear Beyond Death 2 Raw damage e raw Damage that ignores shields. It is hard-coded to ignore Revival icon resurrection, but specific instances are then special-cased to be un-ignored. Fear Beyond Death Fear Beyond Death and Death from Below Death from Below
N/A internalraw As above, but also ignores Cosmic Radiance invulnerability. Revival icon resurrection is ignored. Only

Nexus Obelisk Nexus Obelisk

Umbra Blades Default damage e periodic Ability-based procs with no interactions. Effects without a proper damage type default to this category, including most splash damage. Umbra Blades Umbra Blades, Liandry's Torment item Liandry's Torment and Tiamat item Tiamat
Wit's End item Proc damage e proc Attack-based procs with no interactions. Proc effects are triggered whenever you deal basic damage. Wit's End item Wit's End and Blade of the Ruined King item Blade of the Ruined King
Thornmail item Reactive damage e reactive Damage type dealt by Thornmail. Similar reflection effects (e.g. Annie and Rammus) are classified as spell damage. Only Thornmail item Thornmail and Bramble Vest item Bramble Vest .
Basic Attack Basic damage e attack Damage for basic attacks and some abilities. Mystic Shot Mystic Shot, Lunge Lunge, Steel Tempest Steel Tempest
Disintegrate Spell damage e spell Damage used for most, or almost all abilities. Disintegrate Disintegrate, Ace in the Hole Ace in the Hole, Noxian Diplomacy Noxian Diplomacy
Death Lotus Area damage e spellaoe As above, but with some diminished interactions. We currently group as "ability damage". Incinerate Incinerate, Spirit Fire Spirit Fire, Eye of Destruction Eye of Destruction
Drain Persistent damage e spellpersist As above, but with some diminished interactions. We currently group as "ability damage". Drain Drain, Flamespitter Flamespitter, Ignite Ignite
Poison Trail Persistent area damage e aoedot Combination of persistent damage and area damage. Darkness Rise Darkness Rise, Tormented Shadow Tormented Shadow, The Equalizer The Equalizer
Void Swarm Pet damage e pet Damage dealt by most pet basic attacks. Other pet damage is classified as Spell/SpellPersist. Tibbers OriginalSquare Tibbers, Daisy OriginalSquare Daisy, Eulogy of the Isles Eulogy of the Isles

Physical, Magical and True are secondary types that are added to the aforementioned types to modify their interaction with resistances.

Capped Damage

Some abilities, scaling with target's health, have a capped amount of damage they can deal to a target. This is made to avoid dealing massive damage to targets with a lot of health.

  • If the ability deals enough damage (before damage reductions) to reach the cap, the ability's damage is reduced to the cap and damage reductions are then applied. This means that against a target that has negative armor or magic resistance an ability can deal damage over the cap.

Notes

  • Contrary to popular belief, life steal and spell vamp are not specific to physical and magic damage, respectively. Life steal will apply to anything classified as basic attack damage (including the magic damage from Takedown Takedown, Hextech Munitions Hextech Munitions and Infinite Duress Infinite Duress), and spell vamp will apply to anything classified as ability damage (including the physical damage from Comet Spear Comet Spear and true damage from Reckless Swing Reckless Swing).

See also

Gameplay Elements
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