Evasion

Evasion is a passive ability that gives the wielding unit a chance to evade an incoming physical attack.

While spells cannot normally be evaded by Evasion, abilities like Blink or Shadow Walk can be used to dodge attacks or projectile-based abilities such as Vengeful Spirit's Magic Missile.

The item Monkey King Bar grants True Strike, causing its wielder's attacks to never miss, completely negating any evasion.

Evasion does not stack. This includes both Hero Abilities and Item bonuses. Only the bonus with the highest probability will work. An exception to that rule is Faceless Void's Backtrack ability, as it is not considered Evasion. Evasion and Backtrack work independently and are subject to Chance Stacking.

Other miss chances stack diminishingly with evasion. This includes Blind and the base 25% chance for ranged heroes to miss while attacking uphill.

Sources of Evasion

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