英雄联盟维基
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Attack speed (often shortened as AS or ASPD) is the frequency at which a champion performs basic attacks and are displayed as "attacks per second". Attack speed caps at 2.5 attacks per second, or 1 attack every two fifths of a second.

Attack speed bonuses works by adding a percentage of a champion's base attack speed to his or her "base attack speed." Champions with a low base attack speed will receive less of an attack speed boost from the bonus than champions with a high base attack speed, but the proportional increase in DPS will remain the same for both. One's attack speed can be increased via leveling up, items, runes, masteries, buffs, and abilities. One's attack speed can only be decreased by items, abilities, and the Dragon Dragon.

Calculations[]

Base attack speed[]

Every champion's "base attack speed" (ASbase) is calculated using a hidden variable called "attack delay." Attack delay is a number between −0.10 and 0.08:

ASbase = 0.625 / (1 + attack delay)

This value is the total number shown at level 1 without runes, masteries, etc. It is represented this way throughout the wiki.

The bonus AS% can come from 6 sources:[]

Bonus AS% stacks additively.

Example: Madred's Bloodrazor Madred's Bloodrazor grants +40% attack speed and Malady Malady grants +50% attack speed, so the champion gains +90% in total.


Notes:

  • Final attack speed cannot go above the cap of 2.5 attacks per second.
  • Many in-game tooltip percentages (such as runes) have been rounded, so results may be slightly different unless the precise numbers are known.

Calculation example

  • Calculating "base attack speed":
    • Twisted Fate's Twisted Fate's attack delay = −0.04.
    • 0.625 / (1 − 0.04) = 0.625 / 0.96 = 0.6510416. This is Twisted Fate's Twisted Fate's base attack speed, seen at level 1 (without runes, masteries, etc).
    • The number seen in game is rounded to 3 decimal places: 0.651.
  • Calculating "bonus attack speed":
    • Every time Twisted Fate Twisted Fate levels up, he gains 3.22% as bonus AS%.
      • At level 18 he has gained 3.22% × 17 = 54.74% as bonus AS%.
    • At 18 he has maxed Stacked Deck Stacked Deck increasing his attack speed by 15%.
    • Let's say he has the Alacrity Alacrity mastery up to 4%.
    • Let's also say he has Phantom Dancer Phantom Dancer: +55%.
    • All together he has: 54.74 + 15 + 4 + 55 = 128.74% as bonus AS%.
  • Final calculation:
    • (0.625 / 0.96) × (100% + 128.74%).
    • 0.6510416 × 228.74% = 1.48919271.
    • In game, the rounded number will be shown as: 1.489.

Increasing attack speed[]

Items[]

Core[]

  • Berserker's Greaves Berserker's Greaves: +25% attack speed. Unique passive: Enhanced movement 2. 920 gold.
  • Cloak and Dagger Cloak and Dagger: +20% attack speed, +20% critical chance, +35 tenacity. 1450 gold.
  • Dagger Dagger: +15% attack speed. 420 gold.
  • Guinsoo's Rageblade Guinsoo's Rageblade: Passive: On cast or hit, you gain +6 ability power and +4% attack speed. This buff lasts for 5 seconds and stacks up to 8 times. +45 ability power, +35 attack damage. 2235 gold.
  • Ionic Spark Ionic Spark: +50% attack speed, +250 health. Unique passive: On every fourth hit, the target and up to three other nearby enemies are dealt 125 magic damage. 2100 gold.
  • Malady Malady: +50% attack speed, +25 ability power. Unique passive: On hit, the target is dealt 20 magic damage and its magic resistance is reduced by 6. This debuff lasts for 8 seconds and stacks up to 4 times. 1825 gold.
  • Nashor's Tooth Nashor's Tooth: +50% attack speed, +65 ability power, +10 mana regeneration per 5 seconds. Unique passive: +25% cooldown reduction. 2615 gold.
  • Phantom Dancer Phantom Dancer: +55% attack speed, +30% critical chance, +12% movement speed. 2895 gold.
  • Recurve Bow Recurve Bow: +40% attack speed. 1050 gold.
  • Stinger Stinger: +40% attack speed. Unique passive: +10% cooldown reduction. 1090 gold.
  • The Black Cleaver The Black Cleaver: +30% attack speed, +55 attack damage. Passive: On hit, the target has its armor reduced by 15. This debuff lasts for 5 seconds and stacks up to 3 times. 2865 gold.
  • Trinity Force Trinity Force: +30% attack speed, +30 ability power, +30 attack damage, +15% critical strike chance, +250 health, +250 mana, +12% movement speed. Unique Passive: On hit, 25% chance for target to be slowed by 35% (25% for ranged attacks) for 2.5 seconds. Unique Passive: On cast, for 10 seconds, your next standard attack deals extra damage equal to 150% of your base attack damage. 4070 gold.
  • Wit's End Wit's End: +40% attack speed, +30 magic resistance. Unique passive: On hit, the target is dealt 42 magic damage and you gain +5 magic resistance. This buff lasts for 5 seconds and stacks up to 4 times. 2150 gold.
  • Youmuu's Ghostblade Youmuu's Ghostblade: Unique active: You gain +50% attack speed and +20% movement speed for 4 seconds; attacking enemy units with melee attacks increases the duration by 2 seconds to a maximum of 8 seconds. +30 attack damage, +15% critical chance. Unique passive: +20 armor penetration, +15% cooldown reduction. 2687 gold.
  • Zeal Zeal: +20% attack speed, +10% critical strike chance, +6% movement speed. 1195 gold.
  • Zeke's Herald Zeke's Herald: Unique aura: Nearby allied champions gain +20% attack speed and +12% life steal. +250 health. Unique passive: 15% cooldown reduction. 2145 gold.

Classic[]

  • Elixir of Agility Elixir of Agility: On use, grants +12–22% attack speed, based on champion level, and 8% critical chance for 4 minutes. 250 gold.
  • Madred's Bloodrazor Madred's Bloodrazor: +40% attack speed, +25 armor, +40 attack damage. Unique passive: On hit, the target is dealt magic damage equal to 4% of its maximum health. This caps at 120 versus monsters. 3800 gold.

Dominion[]

  • Kitae's Bloodrazor Kitae's Bloodrazor: +40% attack speed, +30 attack damage. Unique passive: On hit, the target is dealt magic damage equal to 2.5% of the its maximum health. 2725 gold.
  • The Lightbringer The Lightbringer: +50% attack speed, +20 attack damage. Passive: On hit, the target is revealed for 5 seconds. 1750 gold.

Twisted Treeline[]

  • Ichor of Rage Ichor of Rage: On use, grants +20–42% attack speed, based on champion level, +20–42% attack speed and 15% increased damage to Turrets for 4 minutes. 500 gold.

Champion abilities[]

Note: Only the attack speed buff effect of these abilities is shown here, to read more information on each of these abilities, follow the link on each of them.

  • Blitzcrank's Blitzcrank's Overdrive Overdrive increases his attack speed by 30% / 38% / 46% / 54% / 62% for 8 seconds.
  • Diana's Diana's Moonsilver Blade Moonsilver Blade passively grants Diana 20% bonus attack speed.
  • Draven's Draven's Blood Rush Blood Rush increases his attack speed by 20% / 25% / 30% / 35% / 40% for 3 seconds.
  • Elise's Elise's Skittering Frenzy Skittering Frenzy increases the attack speed of herself and her Spiderlings by 60% / 80% / 100% / 120% / 140% for 3 seconds
  • Evelynn's Evelynn's Ravage Ravage increases her attack speed by 60% / 75% / 90% / 105% / 120% for 3 seconds after attacking with Ravage Ravage.
  • Ezreal's Ezreal's Rising Spell Force Rising Spell Force passively increases his attack speed by 10% whenever he hits a target with any of his abilities. This bonus lasts for 6 seconds and stacks up to 5 times.
  • Ezreal's Ezreal's Essence Flux Essence Flux increases the attack speed of allied champions it passes through by 20% / 25% / 30% / 35% / 40% for 5 seconds.
  • Fiora's Fiora's Burst of Speed Burst of Speed increases her attack speed by 60% / 75% / 90% / 105% / 120% for 3 seconds.
  • Graves' Graves' Quickdraw Quickdraw increases his attack speed by 30% / 40% / 50% / 60% / 70% for 4 seconds.
  • Jarvan IV's Jarvan IV's Demacian Standard Demacian Standard passively increases his attack speed by 10% / 13% / 16% / 19% / 22%. When activated, it throws a flag that increases nearby allied champions and his own attack speed again by the same amount.
  • Jax's Jax's Relentless Assault Relentless Assault causes his basic attacks to increase his attack speed by Error: Parameter '3' is not accepted.. This bonus lasts for 2.5 seconds and stacks up to six times.
  • Kassadin's Kassadin's Void Stone Void Stone reduces magic damage taken by 15% and transforms this damage into bonus attack speed. This effect stacks individually and each individual buff lasts up to 4 seconds.
  • Kog'Maw's Kog'Maw's Caustic Spittle Caustic Spittle passively increases his attack speed by 10% / 15% / 20% / 25% / 30%.
  • Lee Sin's Lee Sin's Flurry Flurry increases the attack speed by 40% of his next two 2 autoattacks within the next three seconds after casting an ability.
  • Master Yi's Master Yi's Highlander Highlander increases his attack speed by 40% / 60% / 80% for 8 / 10 / 12 seconds.
  • Miss Fortune's Miss Fortune's Impure Shots Impure Shots increases her attack speed by 30% / 35% / 40% / 45% / 50% for 6 seconds.
  • Nidalee's Nidalee's Primal Surge Primal Surge increases her or an allied unit's attack speed by 20% / 30% / 40% / 50% / 60% for 7 seconds.
  • Nocturne's Nocturne's Shroud of Darkness Shroud of Darkness passively grants himself 20% / 25% / 30% / 35% / 40% attack speed. Upon activation, it summons a spell shield for 1.5 seconds, if the shield successfully blocks a spell, the attack speed bonus is doubled for 5 seconds.
  • Nunu's Nunu's Blood Boil Blood Boil increases an allied unit's and his own attack speed by 25% / 35% / 45% / 55% / 65% for 15 seconds.
  • Olaf's Olaf's Berserker Rage Berserker Rage passively increases his attack speed by 1% per 1% health he is missing.
  • Rengar's Rengar's Savagery Savagery increases his attack speed by 30% / 35% / 40% / 45% / 50%, while his Empowered Savagery Empowered Savagery increases his attack speed by 60% / 70% / 80% / 90% / 100%. These can stack for a total of 90% / 105% / 120% / 135% / 150%.
  • Sion's Sion's Cannibalism Cannibalism increases his attack speed by 50% for 20 seconds.
  • Sivir's Sivir's On The Hunt On The Hunt grants her an aura for 10 seconds that increases her attack speed by 30% / 45% / 60% and one half of that to nearby allies.
  • Skarner's Skarner's Crystalline Exoskeleton Crystalline Exoskeleton grants him a shield for up to 6 seconds, while the shield persists Skarner increases his attack speed by 30% / 35% / 40% / 45% / 50%.
  • Teemo's Teemo's Camouflage Camouflage increases his attack speed by 40% for 3 seconds after leaving his stealth state.
  • Tristana's Tristana's Rapid Fire Rapid Fire increases her attack speed by 30% / 45% / 60% / 75% / 90% for 7 seconds.
  • Trundle's Trundle's Contaminate Contaminate infects the target location for 8 seconds, while on this area, Trundle increases his attack speed by 20% / 30% / 40% / 50% / 60%.
  • Twisted Fate's Twisted Fate's Stacked Deck Stacked Deck passively increases his attack speed by 3% / 6% / 9% / 12% / 15%.
  • Twitch's Twitch's Ambush Ambush increases his attack speed by 30 / 40% / 50% / 60% / 70% for up to 5 seconds after revealing himself.
  • Udyr's Udyr's Monkey's Agility Monkey's Agility increases his attack speed by 10% upon switching stances. This bonus lasts for 5 seconds and stacks up to 3 times.
  • Udyr's Udyr's Tiger Stance Tiger Stance increases his attack speed by 20% / 25% / 30% / 35% / 40% while the stance is active, and for additional 15% / 20% / 25% / 30% / 35% for 5 seconds on activation.
  • Varus' Varus' Living Vengeance Living Vengeance increases attack speed by 20% for 3 seconds on minion kills, while a champion kill/assist will grant 40% for 6 seconds.
  • Volibear's Volibear's Frenzy Frenzy passively causes his autoattacks to increase his attack speed by 8% / 11% / 14% / 17% / 20%. This bonus stacks up to 3 times and lasts for 4 seconds.
  • Warwick's Warwick's Hunters Call Hunters Call increases his attack speed by 40% / 50% / 60% / 70% / 80% and half of that amount to nearby allied champions for 10 seconds.
  • Wukong's Wukong's Nimbus Strike Nimbus Strike increases his attack speed by 30% / 35% / 40% / 45% / 50% after hitting a target with this skill.
  • Xin Zhao's Xin Zhao's Battle Cry Battle Cry increases his attack speed by 40% / 50% / 60% / 70% / 80% for 5 seconds.

Masteries[]

Runes[]

Name Type Tier 1 (Lesser) Tier 2 (Normal) Tier 3 (Greater)
Alacrity

(Attack Speed)

Mark

GMarks (2).png

0.94%

30 IP

1.32%

165 IP

1.7%

410 IP

Seal

Seals (3).png

0.42%

30 IP

0.59%

165 IP

0.76%

410 IP

Glyph

Glyphs (3).png

0.35%

30 IP

0.5%

165 IP

0.64%

410 IP

Quintessence

Quintessences (3).png

1.89%

80 IP

2.64%

410 IP

3.4%

1025 IP

Neutral buffs[]

Decreasing attack speed[]

Note: Attack speed reductions stack multiplicatively (with the sole exception of Randuin's Omen's passive), and take percentages off the final attack speed value after all bonus attack speed has been factored in.

Items[]

  • Frozen Heart Frozen Heart: Unique aura: Reduces the attack speed of nearby enemies by 20%.
  • Randuin's Omen Randuin's Omen: Unique passive: 20% chance on being hit to slow the attacker's movement and attack speeds by 35% for 3 seconds. Note: This is the only attack speed slow in the game which stacks additively.
  • Randuin's Omen Randuin's Omen: Unique active: Slows movement speeds and attack speeds of surrounding units by 35% for 1 second + 0.5 seconds for each 100 Armor and Magic Resist. 60 second cooldown.
  • Warden's Mail Warden's Mail: Unique passive: 20% chance on being hit to slow the attacker's movement and attack speeds by 35% for 3 seconds.

Champion abilities[]

Note: Only the attack speed reduction effect of these abilities is shown here, to read more information on each of these abilities, follow the link on each of them.

  • Anivia's Anivia's Glacial Storm Glacial Storm slows affected units' attack speed by 20% for 1 second.
  • Darius' Darius' Crippling Strike Crippling Strike slows affected unit's attack speed by 20% / 25% / 30% / 35% / 40% for 2 seconds.
  • Gragas' Gragas' Barrel Roll Barrel Roll slows affected units' attack speed by 20% / 25% / 30% / 35% / 40% for 3 seconds.
  • Lee Sin's Lee Sin's Cripple Cripple slows affected units' attack speed by 30% / 37.5% / 45% / 52.5% / 60% for 4 seconds.
  • Malphite's Malphite's Ground Slam Ground Slam slows affected units' attack speed by 30% / 35% / 40% / 45% / 50% for 3 seconds.
  • Nasus' Nasus' Wither Wither reduces an enemy unit's attack speed by 35% plus an additional 3% / 6% / 9% / 12% / 15% per second for 5 seconds.
  • Nunu's Nunu's Ice Blast Ice Blast reduces an enemy unit's attack speed by 25% for 3 seconds.
  • Nunu's Nunu's Absolute Zero Absolute Zero slows the attack speed of all nearby enemy units by 25% while channeling for 3 seconds.

Neutral monsters[]

  • The Dragon Dragon attacks will slow the attacked champion's attack speed by 20% for 4 seconds.

Notes[]

  • All percentages listed in a champion's attack speed statistic are approximations.
  • Attack speed reduction duration is not affected by tenacity. However if attack speed reduction is in one ability with crowd control like Nunu's Nunu's Ice Blast Ice Blast, then tenacity reduces its duration. So attack speed reduction is reduced by tenacity only along with other crowd control.

List of champions' attack speed[]

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