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

All basic attacks can critically strike, but only a few abilities can. It's not possible to critically strike structures, with the exception of Jhin Jhin, whose fourth shot can crit against structures, with reduced damage.

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

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


Critical strike chance is a stat that is the percentage of chance that a basic attack of a champion critically strikes.

Every champion starts with 0% critical strike chance, and level-ups do not grant additional critical strike chance.

Critical strike chance can be increased with items, abilities, and runes, it stacks additively, and each bonus point acquired directly affects its statistic.

Critical strike chance cannot be increased beyond 100%.

Gold Value

  • Critical strike chance has a gold value of Gold 40 per point.


  • Critical strike chance will adjust dynamically based on the number of basic attack that didn't critically strike. At 30% critical strike chance, if you basic attack without critically striking, your critical strike chance will temporarily be increased to 60%, and if you fail again, it will be increased to 90%, then to 100% if you fail again. The critical strike chance increase will reset whenever you critically strike.
  • When averaged over a large number of autoattacks and at base critical damage (100% bonus damage), critical strike chance is essentially a damage multiplier where each 1% of critical chance adds 1% bonus damage.
    • Thus at 50% critical strike chance a champion deals (on average) 150% damage with autoattacks, not counting bonus critical strike damage. Because of this, critical strike chance scales well with both attack damage and attack speed. The formula for this damage multiplier is:
Damage multiplier = 1 + (Critical chance × (1 + Bonus critical damage))

Increasing critical strike chance


Item Cost Amount Availability

Champion abilities

Modifying Critical Strike Damage


Champion Abilities

  • Fiora's Fiora's Bladework Bladework modifies her base critical damage to 140 / 155 / 170 / 185 / 200% from the default of 200%.
  • Jhin's Jhin's Whisper Whisper multiplicatively reduces his total critical damage by 25% for basic attacks.
  • Shaco's Shaco's Backstab Backstab modifies his base critical damage to 130% from the default of 200%.
  • YasuoSquare Yasuo's Intent Intent multiplicatively reduces his total critical damage by 10% for basic attacks and 25% for Steel Tempest Steel Tempest (e.g. 200% to 190% / 175%).
  • Note: AsheSquare Ashe's Frost Shot Frost Shot does not modify the base critical damage. Instead, it does the following:
    • Only allows critical strikes on auto-attacks against targets affected by Frost Shot 2 Frost.
    • Removes the randomness of critical strikes. It does so by simultaneously increasing the proc probability to 100% and reducing the extra damage on proc by the same multiplicative factor.
    • Adds straight 10% multiplicative bonus damage that is unrelated to critical strikes.


  • Infinity Edge item Infinity Edge: Passive: Unique: Critical strike bonus damage is increased by 50%.

Skills affected by Critical Chance

Some skills can critically strike and/or are affected by critical chance:



Other skills that are not affected by critical strikes and chances are displayed as a critical strike due to other reasons.


  • 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.

Last updated: November 18th, 2017 – V7.22

The most gold efficient way to obtain 100% critical strike chance is with YasuoSquare Yasuo, requiring only Gold 2000:

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