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Evasion ( ) is mechanic that allows the unit to dodge an incoming attack. When evaded, the attack gets completely nullified. This means, anything that relies on attacks to hit their targets do not trigger, which includes most attack modifiers, and on-hit effects.


Evasion and blind trigger upon landing an attack, which is on projectile impact for ranged units. If it triggers, the attack does not affect the evading unit at all, so that no on-attack effects are triggered.

A similar mechanic to evasion is blind. While evasion makes a unit evade incoming attacks from other units, blind makes a unit miss upon attacking other units. Just like evasion, when an attack misses to blindness, it gets completely nullified.

True Strike and Accuracy are mechanics that nullifies Evasion.

Visual Feedback[]

"Miss" appearing upon missing an attack,
"Evade" appearing upon getting missed.

Upon missing an attack on an enemy, a red floating text appears, reading MISS, visible to the attacking player only. The enemy, who was just missed by an attack, also sees a floating text, but in white and reading EVADE instead. Furthermore, a missed attack does not play any of the attack impact sounds.

Melee Heroes[]

For melee units, if the target is farther than 350 range more than the melee unit's attack range, the attack will always miss, true strike does not guarantee hits on units outside of the buffer range. For most melee heroes attack buffer range is the total of the hero's base attack range and 350 range.

Uphill Miss Chance[]

The uphill miss chance is a conditional effect, that only affects ranged attack projectiles of non-flying units. It causes 25% of the ranged attacks to miss if the attacker is at a lower terrain level as the target. A unit is considered to be on higher elevated terrain when it is no longer visible to the player due to the terrain. This means when an enemy stands on a ramp, but is still visible to the player, there is no uphill miss chance, but as soon as they disappear in the fog by moving the ramp further up, uphill miss chance applies. It does not matter how many terrain levels difference is between them, the miss chance always stays 25%.

Melee units, and flying units cannot miss due to the terrain.

Uphill Miss Chance Multiplier ( ) is defined as

Just like evasion and blind, uphill miss chance triggers upon the attack landing (which is on projectile impact for ranged heroes), not upon finishing the attack (which would be upon projectile launch for ranged heroes). This means moving up onto an elevated area after an attack projectile has been launched may cause the projectile to miss on impact to uphill miss chance, even when both units were on the same ground level as the projectile was launched.

Total Evasion[]

There are two main components in evasion:

  • Evade Chance - also known as Miss Chance, the chance for attacks to miss and nullify the attack.
  • Accuracy - the hit chance for attacks to hit and damage the unit.

Calculating the total Evade Chance of a unit involves using Evasion Sources, Blind Debuff Multiplier and the Uphill Miss Chance.


Main Article: Item passive stacking

Multiple sources of evasion stack multiplicatively with each other, while sources of blind effects stack additively with each other and multiplicatively with evasion. The uphill miss chance stacks multiplicatively with evasion and blind. While the actual chance to evade is diminishing, each source of evasion increases effective HP against physical attacks more than the last due to evasion's exponential nature. The chances of all sources of evasion and blind are determined by pseudo-random distribution.

Evade Chance ( ) and Final Evasion Chance ( ) is defined as

With ei being the Evasion Sources, eb Mu the Blind Debuff Multiplier and eup the Uphill Miss Chance.

Accuracy ( ) and Final Hit Chance ( ) is defined as

With aci being the Accuracy Sources.

A more concrete way of thinking about evasion stacking is that for an attack to bypass an evasion stack and hit, the attack should bypass each source of evasion in sequence. Only if all sources of evasion fail, is the attack able to deal damage.

There are currently a few abilities that directly sets a unit's evasion to 100%, e.g. Magnetic Field and Windrun.


Example 1

Incoming attacks to hit hero who has Butterfly icon.png Butterfly wielded is 65%, because Butterfly provides 35% evasion.

Example 2

Phantom Assassin minimap icon.png Phantom Assassin has level 4 Blur and a Butterfly icon.png Butterfly. What's are the chances of attacks hitting her?

Evasion Sources: Blur: 50%, Butterfly icon.png Butterfly: 35%

Phantom Assassin minimap icon.png Phantom Assassin in this example has 32.5% chance of getting hit by attacks. Because her evasion in this example is 67.5%.

Evasion Granting Abilities[]

  • Magnetic Field icon.png
    Evasion: 100%
    Duration: 3.5/4.5/5.5/6.5
    Grants allied heroes and buildings within the field evasion against attacks coming from outside the field.
  • Drunken Brawler icon.png
    Evasion: 15%/20%/25%/30%
    Active Evasion & Crit Chance Multiplier: 3
    Duration: 40%
    Passive. Ability is 3 times more potent while active.
  • Butterfly icon.png
    Evasion: 35%
    Passively grants the item owner evasion.
  • Elven Tunic icon.png
    Evasion: 16%
    Passively grants the item owner evasion.
  • Heaven's Halberd icon.png
    Evasion: 20%
    Passively grants the item owner evasion.
  • Scurry icon.png
    Passive Evasion: 8%/16%/24%/32%
    Passive, grants Hoodwink minimap icon.png Hoodwink evasion bonus as long as they stay within proximity of trees.
  • Blur icon.png
    Passive Evasion: 20%/30%/40%/50% (Talent 55%/65%/75%/85%)
  • Talisman of Evasion icon.png
    Evasion: 15%
    Passively grants the item owner evasion.
  • Windrun icon.png
    Evasion: 100%
    Duration: 3/4/5/6
    Grants the caster evasion for the duration.


Blind is a debuff that makes a unit miss upon attacking other units and sources of blind effects stack additively with each other.

Blind Debuff Multiplier is defined as

With eb being the sources of Blind.

The following abilities are the sources of blind:

  • Silken Bola icon.png
    Miss Chance: 25%/35%/45%/55%
    Duration: 6
    Blinds the units hit by the abilty.
  • Gust icon.png
    Miss Chance: Talent 50%
    Debuff Duration: 3/4/5/6
    Requires a Talent talent, blinds every unit affected by the ability.
  • Blinding Light icon.png
    Miss Chance: 40% (Talent 70%)
    Duration: 4
    Only available during Spirit Form, blinds every unit affected by the ability.
  • Radiance (Active) icon.png
    Radius: 700
    Miss Chance: 17%
    The effects is provided by an aura, passively blinds every unit within range. The debuff lingers for 0.5 seconds.
  • Smoke Screen icon.png
    Radius: 300/325/350/375 (Talent 475/500/525/550)
    Enemy Miss Chance: 30%/45%/60%/75%
    Duration: 6
    The effects is provided by an aura, blinds every affected unit within the target radius. The debuff lingers for 0.5 seconds.
  • Sand Storm icon.png
    Enemy Miss Chance: Talent 40%
    Duration: 20/25/30/35
    Requires a Talent talent, the effects is provided by an aura, blinds every affected unit within radius. The debuff lingers for 20/25/30/35 seconds.
  • Laser icon.png
    Miss Chance: 100%
    Hero Duration: 3/3.5/4/4.5
    Creep Duration: 3/3.5/4/4.5
    Hero Search Radius: Upgradable by Aghanim's Scepter.
    Number of Bounces: Upgradable by Aghanim's Scepter. 700
    Blinds only target unit.
  • Whirling Axes (Melee) icon.png
    Miss Chance: 60%
    Blind Duration: 5
    Blinds every unit affected by the ability.


The following heroes have a Talent talent that grants them evasion.

Bonus Level 10 Level 15 Level 20 Level 25
Left Right Left Right Left Right Left Right
  • Medusa minimap icon.png 15%
  • Terrorblade minimap icon.png 16%
  • Meepo minimap icon.png 15%
  • Templar Assassin minimap icon.png 15%
  • Phantom Lancer minimap icon.png 16%
  • Lifestealer minimap icon.png 16%
  • Troll Warlord minimap icon.png 20%

True Strike[]

True Strike prevents the unit's attacks from missing, negating evasion, blindness and the 25% uphill miss chance for ranged units. It also prevents melee attacks from missing when the target moves more than 350 range away before the attack. Although unable to miss, attack projectiles of a ranged units with True Strike can still be disjointed. True Strike does not work when attacking buildings. However, it works against any other unit, including wards and allied units.

True Strike Sources


Average DPS increase of Accuracy against Evasion up to 35%

Accuracy is a mechanic similar to True Strike. Accuracy is applied as a debuff on the target.

There are two definitions of Accuracy in the game:

  • First Definition:
True Strike's counterpart — While True Strike prevents the unit to miss any of its attacks, Accuracy prevents the units from being missed by any attack.
  • Second Definition:
Chance-based True Strike — Just like proc chances for abilities, in this definition, attacks gain a chance to ignore evasion and blind effects.

Accuracy ( ) and Final Hit Chance ( ) is defined as

With aci being the Accuracy Sources.

First Definition[]

Accuracy by First Definition

Second Definition[]

Accuracy by Second Definition


Sven cleaving through a creep wave.

Main Article: Cleave

If a unit has cleave, its attacks deal damage in an area shaped like a trapezoid in front of the attacking unit upon successfully hitting the target. Cleave does not affect the primary target and it cannot miss when hitting secondary targets.

Main Article: Splash

Splash is in some ways the ranged version of cleave. It works in a similar way as cleave does, with the main difference being that the damage is typically dealt in a circle around the attacked unit, not in a trapezoid in front of the attacking unit. When attacking with splash, the primary target of an attack does not receive the splash effect, secondary units around the target are hit by splash and it cannot miss. If an attack misses, no splash damage is applied in the area. Splash works with attack modifiers the same way as cleave does.

Version History[]

  • Shine no longer grants 40% accuracy against the targeted enemy.
  • Fountain Damage now have 25% accuracy on their attacks.
  • Evasion from Magnetic Field now works for illusions.
  • Cripple
    • Now grants units that attack the target 40% accuracy.
      • This means that targets attacking that unit will not miss 40% of the time.
  • Melee attacks now miss if the target is farther than 350 range more than their attack range.
  • Attacking Observer and Sentry Wards 1 icon.png Observer and Sentry Wards can no longer miss.
  • Evasion now stacks diminishingly (like Crit, Magic Resistance, etc).

Patch History[]

  • Moved the MISS message to appear over the attacked unit when you are attacking.
  • Added an EVADE message that appears over you when you are attacked.
  • Fixed disabled evasion abilities sometimes evading attacks.
  • Basic attacks that miss or are evaded no longer play sounds.
  • Fixed True Strike working against non-tower buildings.
  • Fixed evasion not being disabled properly with the following abilities:
  • Miss messages now appear immediately, and over the head of the hero missing the attack.
  • Added particle based messages for MISS and EVADE.
  • Evasion is now disabled by Hex-sources and Doom.