Damage is the deduction of a unit's current health as a result of an offensive interaction.
There are four types of damage in League of Legends.
- Physical damage: a type of damage that champions' basic attacks, champions' abilities, items, on-hit effects, minions, and turrets deal. Armor reduces incoming physical damage.
- Magic damage: a type of damage that champions' abilities, items, and on-hit effects deal. Magic resistance reduces incoming magic damage.
- True damage: a type of damage that some champions' abilities, items and on-hit effects deal. This damage cannot be reduced and always does exactly the value stated, although can be blocked by invulnerabilities and health shields.
Critical damage is an additional tag applied to critical strikes and some abilities. Critical damage will be reduced by , triggers impact text, as well as the highest instance of critical damage being tracked in the post-game stats.
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 ' 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 .
Ability damageAbility damage is the damage type inflicted by almost all abilities. 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 , who will also life steal from magic damage.
- Some abilities modify the amount of basic attack damage dealt, such as .
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 is the classification for the damage dealt by on-hit effects, which are effects that trigger when a basic attack hits.
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.
- Note that not all area of effects that occur on basic attacks are classified as splash damage.
- Splash damage applies neither on-hit effects, life steal nor spell effects.
Physical and magic damage are first reduced (or amplified) by armor and magic resistance respectively before being applied to target. This can be calculated through a damage multiplier.
- Physical damage's damage multiplier:
- Magic damage's damage multiplier:
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.
- 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 , and ), and spell vamp will apply to anything classified as ability damage (including the physical damage from and true damage from ).