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Critical strike icon.png

A critical strike is a damage effect that deals 175% of its normal damage by default, denoted as Critical strike damage icon.png critical strike damage. This can occur on some items and abilities, and almost always on basic attacks. Depending on the effect, a critical strike would occur under specific conditions, or based on Critical strike chance icon.png critical strike chance.

The most common form of critical strike occurs on Basic Attack.png basic attacks, which cannot critically strike structures. The exceptions are Fiora's Fiora's Bladework Bladework, Jhin's Jhin's Whisper Whisper, Master Yi's Master Yi's Double Strike Double Strike, and Rengar's Rengar's Savagery Savagery.

Champions can increase their chances to critically strike and the damage they deal with critical strikes using items and abilities. Critical strikes are especially valuable for champions who deal damage primarily with basic attacks rather than abilities. Some champions, like Ashe Ashe, have an affinity for critical strikes and benefit more than others from items that improve them.

Critical strike chance

Critical strike chance icon.png Critical strike chance is a statistic that denotes the probability that a basic attack will critically strike, as well as some other effects that use critical strike chance.

Critical strike chance is not granted naturally by level-ups, it can be increased with items and abilities; it also Additive stacking icon.png stacks additively. It cannot be increased beyond 100%, although some effects will benefit from the excess despite the cap.

Gold Value ​​​​​​​​​​: Critical strike chance has a gold value of 40 Gold 40 per point.

The probability of a critical strike changes dynamically based on how many times the attack critically strikes. If an attack does not critically strike over multiple attempts, the probability will progressively increase for future attempts—this can occur vice versa, where multiple successful critical strikes will cause the probability to progressively decrease for future attempts.

When averaged over a high number of basic attacks (i.e. calculating damage per second), critical strike chance is essentially a damage multiplier. At base critical damage (75% bonus damage) every 1% of added critical chance adds 0.75% bonus damage. For example, the damage dealt with basic attacks by a champion with 50% critical strike chance and base critical damage is on average 137.5% of the damage they would deal if they had 0% critical strike chance. For this reason, the critical strike chance scales well with both attack damage and attack speed. The formula for this damage multiplier is:

Damage multiplier = 1 + (Critical chance × (0.75 + Bonus critical damage))

Increasing critical strike chance


This table is automatically generated based on the data from Module:ItemData/data.

Bloodthirster Bloodthirster3400 3400 Gold20%All maps
Bloodward Bloodward3400 3400 Gold20%All maps
Cloak of Agility Cloak of Agility600 600 Gold15%All maps
Essence Reaver Essence Reaver2800 2800 Gold20%All maps
Galeforce Galeforce3400 3400 Gold20%All maps
Guinsoo's Rageblade Guinsoo's Rageblade2600 2600 Gold20%All maps
Immortal Shieldbow Immortal Shieldbow3400 3400 Gold20%All maps
Infinity Edge Infinity Edge3400 3400 Gold20%All maps
Kraken Slayer Kraken Slayer3400 3400 Gold20%All maps
Lord Dominik's Regards Lord Dominik's Regards3000 3000 Gold20%All maps
Mercurial Scimitar Mercurial Scimitar3000 3000 Gold20%All maps
Mortal Reminder Mortal Reminder2500 2500 Gold20%All maps
Navori Quickblades Navori Quickblades3400 3400 Gold20%All maps
Phantom Dancer Phantom Dancer2600 2600 Gold20%All maps
Rapid Firecannon Rapid Firecannon2500 2500 Gold20%All maps
Runaan's Hurricane Runaan's Hurricane2600 2600 Gold20%All maps
Stormrazor Stormrazor2700 2700 Gold20%All maps
The Collector The Collector3000 3000 Gold20%All maps
Typhoon Typhoon3400 3400 Gold20%All maps
Wyrmfallen Sacrifice Wyrmfallen Sacrifice3400 3400 Gold20%All maps
Zeal Zeal1050 1050 Gold15%All maps

Champion abilities

Critical strike chance as scaling

Some game elements scale with the champion's amount of critical strike chance.

Champion abilities


Modifying critical strike damage


Champion abilities


Guaranteed critical strikes

Some game elements can critically strike with no dependence on critical strike chance.

Champion abilities

Game elements that can critically strike

Champion abilities

Basic attack modifiers

Many abilities in the game enhance basic attacks, causing them to deal increased damage. Since these are basic attacks, they can critically strike, with a few exceptions (see below), however, the ability's damage itself will only be amplified by a critical strike for the following abilities.

Other abilities


Some items that deal bonus damage can critically strike if the basic attack that triggers them critically strikes.

Basic attacks that cannot critically strike

Critically striking against structures

Critical strikes do not affect structures, with the following exceptions:

Interacting with critical strikes

Cosmetic critical strikes

Some ability damage is displayed as a critical strike under certain circumstances but do not interact as a critical strike. These are use for cosmetic purposes to indicate high amounts of, empowered, or otherwise significant damage on an ability.


  • In many MMO settings, a number of attack damage-based assassins or secondary assassin-based champions also benefit from high critical strike chance in varying forms, as a means to help finish off targets faster as well as to deal more damage in bursts overall.
  • Most champions have special basic attack animations when they critically strike, even champions that do not itemize critical strike chance. Other champions have a sound that plays when they critically strike, typically a grunt of effort.
  • Some champions may actually use their critical strike animation for their empowered-basic attack if they ever activate a single-use on-hit effect, only it does not actually count as an actual critical strike.