Spell Immunity

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Spell Immunity is a buff that prevents the targeting of many spells and grants 100% Magic Resistance. Most ultimate abilities will pierce spell immunity in some way, either through damage, status effects, or both.

This mechanic was formerly known as Magic Immunity until it was reworked in patch 6.82. The difference now is to clarify that Spell Immunity can cause units to be immune to spells regardless of that spell's damage type. Even Physical damage spells may be blocked by Spell Immunity now. One of the main changes caused by this rework also allows some Pure damage spells to pierce Spell Immunity.

Abilities that fully pierce Spell Immunity[edit]

Note that any magical damage is still blocked. All the effects (such as disables) will pierce Spell Immunity.

Hero Abilities
Hero Ability
Abaddon Abaddon Curse of Avernus Curse of Avernus
Alchemist Alchemist Acid Spray Acid Spray
Ancient Apparition Ancient Apparition Ice Blast Ice Blast
Anti-Mage Anti-Mage Mana Void Mana Void
Arc Warden Arc Warden Flux Flux
Axe Axe Berserker's Call Berserker's Call
Counter Helix Counter Helix
Culling Blade Culling Blade
Bane Bane Fiend's Grip Fiend's Grip
Batrider Batrider Flaming Lasso Flaming Lasso
Beastmaster Beastmaster Wild Axes Wild Axes
Bloodseeker Bloodseeker Bloodrage Bloodrage
Thirst Thirst
Rupture Rupture
Bounty Hunter Bounty Hunter Jinada Jinada
Bh Shadow Walk
Track Track
Bristleback Bristleback Quill Spray Quill Spray
Centaur Warrunner Centaur Warrunner Return Return
Chaos Knight Chaos Knight Chaos Strike Chaos Strike
Chen Chen Holy Persuasion Holy Persuasion
Clinkz Clinkz Searing Arrows Searing Arrows
Death Pact Death Pact
Dark Seer Dark Seer Wall of Replica Wall of Replica
Dazzle Dazzle Shadow Wave Shadow Wave
Weave Weave
Doom Doom Doom Doom
Earth Spirit Earth Spirit Rolling Boulder Rolling Boulder
Earthshaker Earthshaker Echo Slam Echo Slam
Elder Titan Elder Titan Natural Order Natural Order
Earth Splitter Earth Splitter
Ember Spirit Ember Spirit Sleight of Fist Sleight of Fist
Enchantress Enchantress Impetus Impetus
Enigma Enigma Midnight Pulse Midnight Pulse
Black Hole Black Hole
Faceless Void Faceless Void Time Lock Time Lock
Chronosphere Chronosphere
Huskar Huskar Life Break Life Break
Invoker Invoker Sun Strike Sun Strike
Juggernaut Juggernaut Omnislash Omnislash
Kunkka Kunkka Tidebringer Tidebringer
Leshrac Leshrac Diabolic Edict Diabolic Edict
Legion Commander Legion Commander Overwhelming Odds Overwhelming Odds
Duel Duel
Lifestealer Lifestealer Feast Feast
Infest Infest
Luna Luna Moon Glaive Moon Glaive
Magnus Magnus Empower Empower
Reverse Polarity Reverse Polarity
Medusa Medusa Stone Gaze Stone Gaze
Meepo Meepo Geostrike Geostrike
Morphling Morphling Replicate Replicate
Naga Siren Naga Siren Ensnare Ensnare
Nature's Prophet Nature's Prophet Wrath of Nature Wrath of Nature
Necrophos Necrophos Death Pulse Death Pulse
Heartstopper Aura Heartstopper Aura
Reaper's Scythe Reaper's Scythe
Night Stalker Night Stalker Darkness Darkness
Nyx Assassin Nyx Assassin Vendetta Vendetta
Phoenix Phoenix Supernova Supernova
Phantom Assassin Phantom Assassin Phantom Strike Phantom Strike
Phantom Lancer Phantom Lancer Phantom Rush Phantom Rush
Juxtapose Juxtapose
Pudge Pudge Dismember Dismember
Pugna Pugna Nether Ward Nether Ward
Life Drain Life Drain
Queen of Pain Queen of Pain Sonic Wave Sonic Wave
Razor Razor Static Link Static Link
Eye of the Storm Eye of the Storm
Riki Riki Blink Strike Blink Strike
Rubick Rubick Spell Steal Spell Steal
Sand King Sand King Sand King Epicenter
Shadow Demon Shadow Demon Demonic Purge Demonic Purge
Shadow Fiend Shadow Fiend Presence of the Dark Lord Presence of the Dark Lord
Requiem of Souls Requiem of Souls
Silencer Silencer Global Silence Global Silence
Slardar Slardar Bash Bash
Amplify Damage Amplify Damage
Slark Slark Essence Shift Essence Shift
Sniper Sniper Assassinate Assassinate
Spectre Spectre Spectral Dagger Spectral Dagger
Haunt Haunt
Spirit Breaker Spirit Breaker Greater Bash Greater Bash
Nether Strike Nether Strike
Storm Spirit Storm Spirit Static Remnant Static Remnant
Sven Sven Great Cleave Great Cleave
Techies Techies Land Mines Land Mines
Suicide Squad, Attack! Suicide Squad, Attack!
Templar Assassin Templar Assassin Meld Meld
Psi Blades Psi Blades
Terrorblade Terrorblade Sunder Sunder
Tidehunter Tidehunter Anchor Smash Anchor Smash
Treant Protector Treant Protector Overgrowth Overgrowth
Troll Warlord Troll Warlord Berserker's Rage Berserker's Rage
Tusk Tusk Ice Shards Ice Shards
Walrus PUNCH! Walrus PUNCH!
Walrus Kick Walrus Kick
Underlord Underlord Pit of Malice Pit of Malice
Atrophy Aura Atrophy Aura
Undying Undying Tombstone Tombstone
Flesh Golem Flesh Golem
Ursa Ursa Fury Swipes Fury Swipes
Vengeful Spirit Vengeful Spirit Wave of Terror Wave of Terror
Vengeance Aura Vengeance Aura
Nether Swap Nether Swap
Venomancer Venomancer Venomous Gale Venomous Gale
Poison Sting Poison Sting
Poison Nova Poison Nova
Viper Viper Nethertoxin Nethertoxin
Viper Strike Viper Strike
Warlock Warlock Chaotic Offering Chaotic Offering
Weaver Weaver The Swarm The Swarm
Geminate Attack Geminate Attack
Windranger Windranger Focus Fire Focus Fire
Witch Doctor Witch Doctor Maledict Maledict
Death Ward Death Ward
Unit Abilities
Unit Ability
Boar Boar Poison
Earth Pulverize Pulverize
Storm Brewmaster Wind Walk
Spiderling Spiderling Poison Sting
Spirit Bear Entangling Claws Entangling Claws
Warlock Golem Flaming Fists Flaming Fists
Zombie Deathlust Deathlust
Necronomicon Warrior Necronomicon True Sight
Ghost Ghost Frost Attack
Dark Troll Summoner Dark Troll Summoner Ensnare
Tornado Tempest Tempest
Roshan Bash Bash
Item Abilities
Item Ability
Dust of Appearance Dust of Appearance Reveal
Gem of True Sight Gem of True Sight True Sight
Skull Basher Skull Basher Bash
Abyssal Blade Abyssal Blade Bash
Veil of Discord Veil of Discord Magic Weakness
Shadow Blade Shadow Blade Shadow Walk
Battle Fury Battle Fury Cleave
Hand of Midas Hand of Midas Transmute
Orb of Venom Orb of Venom Poison Attack
Eye of Skadi Eye of Skadi Cold Attack
Crystalys Crystalys Critical Strike
Daedalus Daedalus Critical Strike
Desolator Desolator Corruption
Assault Cuirass Assault Cuirass Assault Aura
Euls Scepter of Divinity Eul's Scepter of Divinity Cyclone (Self-cast only)

Abilities that partially pierce Spell Immunity[edit]

These abilities have some effects that pierce and other effects that don't.

Hero Abilities
Hero Ability Notes
Abaddon Abaddon Mist Coil Mist Coil The self damage is not blocked.
Beastmaster Beastmaster Primal Roar Primal Roar Does not slow spell immune secondary targets.
Main target is still stunned.
Clockwerk Clockwerk Hookshot Hookshot Does not stun spell immune secondary targets.
Clockwerk is still hooked to the main target and stuns it.
Earth Spirit Earth Spirit Magnetize Magnetize Shared effects do not affect spell immune units.
Debuff is still applied.
Earthshaker Earthshaker Fissure Fissure Does not stun spell immune enemies.
Wall is still created.
Lich Lich Chain Frost Chain Frost Does not slow spell immune enemies.
Still mini-stuns and bounces to spell immune units.
Lina Lina Laguna Blade Laguna Blade Does not pierce unless it is upgraded by Aghanim's Scepter.
Medusa Medusa Mystic Snake Mystic Snake Cannot target spell immune enemies.
Can still mana drain and bounce to spell immune enemies.
Mirana Mirana Sacred Arrow Sacred Arrow Does not stun spell immune enemies.
Can still collide with spell immune enemies.
Oracle Oracle Fortune's End Fortune's End Cannot target or affect spell immune enemies.
Still bursts upon hitting a spell immune unit.
Phantom Assassin Phantom Assassin Blur Blur Does not react on spell immune enemies entering radius.
Still reacts to enemies that become spell spell immune after entering in the radius.
Puck Puck Dream Coil Dream Coil Does not stun upon breaking unless upgraded by Aghanim's Scepter.
Pudge Pudge Meat Hook Meat Hook Does not disable spell immune enemies.
Still damages and pulls them to Pudge.
Shadow Shaman Shadow Shaman Mass Serpent Ward Mass Serpent Ward Splash damage is blocked by spell immunity.
Damage to primary target is not blocked.
Skywrath Mage Skywrath Mage Concussive Shot Concussive Shot Does not slow spell immune enemies.
Still bursts upon hitting a spell immune unit.
Slardar Slardar Slithereen Crush Slithereen Crush Does not stun and slow spell immune enemies.
Still applies the damage.
Storm Spirit Storm Spirit Overload Overload Does not affect spell immune enemies.
Still bursts upon hitting a spell immune unit.
Sven Sven Storm Hammer Storm Hammer Cannot target or affect spell immune enemies.
Still bursts upon hitting a spell immune unit.
Tiny Tiny Toss Toss Cannot target spell immune enemies.
Can still toss spell immune units.
Lina Vengeful Spirit Magic Missile Magic Missile Does not pierce unless it is upgraded by level 25 Talent.
Winter Wyvern Winter Wyvern Splinter Blast Splinter Blast Does not slow spell immune secondary targets.
Still bursts toward spell immune units.
Winter's Curse Winter's Curse Does not taunt spell immune enemies.
Main target is still stunned.
Witch Doctor Witch Doctor Paralyzing Cask Paralyzing Cask Cannot target or stun spell immune enemies.
Can still bounce to spell immune enemies.
Item Abilities
Item Ability Notes
Blade Mail Blade Mail Damage Return Damage Return is blocked by Spell Immunity if the damage source was also blockable.
Maelstrom Maelstrom Chain Lightning Cannot bounce to spell immune enemies.
Still triggers on spell immune units.
Mjollnir Mjollnir Chain Lightning Cannot bounce to spell immune enemies.
Still triggers on spell immune units.
Static Charge Cannot bounce to spell immune enemies.
Still triggers on spell immune units.
Silver Edge Silver Edge Shadow Walk Does not apply debuff to spell immune enemies.
Damage is still applied.

Abilities that grant Spell Immunity[edit]

Hero Abilities
Hero Ability Duration
Juggernaut Juggernaut Blade Fury Blade Fury 5
Lifestealer Lifestealer Rage Rage 3 / 4 / 5 / 6 / 7
Omniknight Omniknight Repel Repel 4 / 5 / 6 / 7
Item Abilities
Item Ability Duration
Black King Bar Black King Bar Avatar Avatar 10 / 9 / 8 / 7 / 6 / 5

See also[edit]