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Attack Immunity is a mechanic that prevents attack from affecting unit.

Instant attacks may target attack immune units if they are Ranged ranged instant attacks, but will have no effect when the unit is still attack immune on impact. Instant Melee melee attacks cannot target attack immune units.

Definition[]

Mechanic Definition Examples
Ethereal Decrepify icon Decrepify
Non-targetable
  • Does not includes Hide sources.
  • Grants Attack Immunity and Phased.
  • Not selectable and does not have a Hitbox.
  • Cannot be targeted by both allies and enemies.
Hitch A Ride icon Hitch A Ride
Misc Non-targetable
  • Can be selectable and still has a Hitbox.
  • However, it cannot be targeted by either allies or enemies.
Upgradable by Aghanim's Shard. Smoke Screen icon Smoke Screen

Units with Attack immunity can not be targeted by attack.

  • Instant attack also can not deal damage on them.
  • Units with Attack immunity can disjoint any attack projectiles.
  • Units with Attack immunity will not draw Aggro unless Taunt is rendered.
    • It means that neutral creeps will not look for sources when receiving damage from units with Attack immunity.

Unselectability[]

Main Article: Non-targetable

Most Unselectability sources also grant attack immunity.

Unselectability Sources
1 Requires Talent Talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Ethereal[]

Main Article: Ethereal

All ethereal sources also grant attack immunity.

Abilities Granting Attack Immunity through Ethereal

Version History[]

Version
Description
  • Added
    new Hitch A Ride icon Hitch A Ride ability that uses the Attack Immunity mechanic.
  • Added
    new Upgradable by Aghanim's Scepter. Nihilism icon Nihilism ability that uses the Ethereal mechanic.
  • Ink Swell icon Ink Swell no longer uses the Attack Immunity mechanic.
  • Added
    new Ghost Shroud icon Ghost Shroud ability that uses the Ethereal mechanic.
  • Units affected by Duel icon Duel no longer ignore disarms and ethereal state.
  • Ethereal now blocks in-flight attack projectiles fully, rather than just ones launched before entering Ethereal form. [?]
  • Units affected by Duel icon Duel now fully ignore disarms and ethereal state.
  • Added
    the Ethereal mechanic.
    • Decrepify icon Decrepify is an ability that uses the Ethereal mechanic.

Patch History[]

Patch
Description
  • Added
    Ink Swell icon Ink Swell, an ability that uses the attack immunity mechanic.
  • Added
    Shadow Realm icon Shadow Realm, an ability that uses the attack immunity mechanic.

Gallery[]


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