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A critical strike is a basic attack or ability that deals twice its normal damage.

All basic attacks and some abilities can Critical strike icon.png critically strike. Most champions cannot critically strike structures. The exceptions are Fiora Fiora, Jhin Jhin, and Master Yi Master Yi.

Most champions have special attack animations for critical strikes. This includes mages and other champions not meant to be built using basic attacks as their main source of damage. Other champions have a sound that plays when they critically strike, typically a grunt of effort.

Champions can increase their chances to critically strike and the damage they deal with critical strikes using items and abilities. Critical strikes are specially 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 is the chance that a basic attack of a champion critically strikes. Every champion starts with 0% critical strike chance, and level-ups do not increase the critical strike chance.

Critical strike chance can be increased with items and abilities; it Additive stacking icon.png stacks additively, and each bonus point acquired directly affects its statistic. It cannot be increased beyond 100%, although some effects will benefit from the stat despite the cap.

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

The critical strike chance changes dynamically depending on the number of basic attack that didn't critically strike. For example, if you have a 30% critical strike chance you are guaranteed to have roughly 30 critical strikes per 100 attacks. If you don't critically strike for a long time your next attacks have a higher chance of critically striking, and vice versa: if you get a lot of critical strikes (with less than 100% critical strike chance), your next attacks are less likely to critically strike.

When averaged over a large number of autoattacks, critical strike chance is essentially a damage multiplier. At base critical damage (75% bonus damage) each 1% of added critical chance adds 0.75% bonus damage. For example, the damage dealt with autoattacks by a champion with 50% critical strike chance and base critical damage is on average 137.5% of the damage he would deal if he 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

Items

Item Cost Amount Availability
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 Reaver2900 2900 Gold20%All maps
Galeforce Galeforce3400 3400 Gold20%All maps
Guinsoo's Rageblade Guinsoo's Rageblade2800 2800 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 Regards2900 2900 Gold20%All maps
Mercurial Scimitar Mercurial Scimitar2900 2900 Gold20%All maps
Mortal Reminder Mortal Reminder2700 2700 Gold20%All maps
Navori Quickblades Navori Quickblades3400 3400 Gold20%All maps
Phantom Dancer Phantom Dancer2700 2700 Gold20%All maps
Rapid Firecannon Rapid Firecannon2700 2700 Gold20%All maps
Runaan's Hurricane Runaan's Hurricane3400 3400 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 Zeal1200 1200 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

Items

Modifying critical strike damage

General

  • By default, critical strikes deal 175% of the normal damage.
  • In most cases, critical strike damage Additive stacking icon.png stacks additively.
  • Damage modifiers apply to critical strike damage normally.

Champion abilities

Items

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 damage itself will only be amplified by a critical strike for the following abilities.

Other abilities

Items

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

Exceptions

Others

Cosmetic critical strikes

Some abilities are displayed as a Critical strike icon.png critical strike under certain circumstances but do not interact with critical strike chance, Infinity Edge Infinity Edge, or Randuin's Omen Randuin's Omen. These are use for cosmetic purposes to indicate high amounts of, empowered, or otherwise significant damage on an ability.

Trivia

  • 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.
  • 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.
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