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Damage types

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All damage dealt in Dota 2 has a certain damage type. Some are reduced by armor, some spell resistance, and some are seemingly not reduced at all. There are six damage types in Dota 2, and each interacts differently with modifiers and status effects such as armor, magic resistance, damage block, ethereal, magic immunity, and invulnerability.
"Damage Type" vs "Has An Effect"?
Damage type Armor/
Damage block
Magic
resistance/
Anti-magic shell
Magic
immunity
Ethereal
Magical No Yes Yes No
Physical Yes No No Yes
Pure No No Yes No
Composite Yes Yes No Yes
HP Removal No No No No
Universal No Yes No No
"Yes" and "No" mean the defense does or doesn't block or mitigate damage, respectively.

Contents

[edit] Magical

Magical damage is caused primarily by spells, although not all do magic damage. Magic damage is reduced by magic resistance, does not affect magic immune units, and deals 1.4x damage against ethereal units. The majority of abilities in Dota 2 deal magical damage.

All abilities not covered in the following tables deal magical damage.

[edit] Physical

Physical damage is caused by all regular attacks from all units, and only by certain abilities. Physical damage is further divided into categories that modify damage based on the target. It is modified by both armor and damage block, is unaffected by magic resistance or magic immunity, and cannot affect ethereal units.

All physical damage is affected by both armor and armor type. Piercing damage, for example, deals 150% damage to unarmored units, such as lane creeps, but only 50% damage to heroes. These resistances are applied in addition to resistance from armor value. A full list of the attack types of creeps and summoned units can be found here. (Table of attack and armor types)

The only exception to this is damage from cleave, which is reduced by armor type and damage block but not by armor value. Practically speaking this means armor is worthless against cleave damage. Splash (from ranged attacks) is reduced as normal.

The abilities Guardian Angel icon.png Guardian Angel and Cold Embrace make their targets completely immune to physical damage, although they can still be targeted by attacks and abilities.

[edit] Table of resistances

Attack
Type
Armor Type
Unarmored Light Medium Heavy Fortified Hero
Normal 100% 100% 150% 125% 70% 75%
Pierce 150% 200% 75% 75% 35% 50%
Siege 100% 100% 50% 125% 150% 75%
Chaos 100% 100% 100% 100% 40% 100%
Hero 100% 100% 100% 100% 50% 100%
Magic 100% 100% 100% 100% 100% See Magic Resistance

[edit] Balance changelog

6.44

  • Changed piercing damage to heavy armor to 75% from 100%

6.39

  • Chaos damage now does 40% damage to fortified (down from 50%)

6.28

  • Chaos Damage now does same as hero damage to structures, 50% instead of 100%

[edit] Abilities

Certain spells deal physical damage instead of magical. Physical damage from abilities are treated as Hero damage, and deal full damage to all units except for structures and siege creeps. Damage from abilities can be reduced by armor value and damage block, will not trigger abilities that check for attacks such as Counter Helix icon.png Counter Helix, and cannot be evaded. The following abilities deal physical damage:

Unstable Concoction icon.png Alchemist - Unstable Concoction Mana Break icon.png Anti-Mage - Mana Break
Counter Helix icon.png Axe - Counter Helix Shadow Walk icon.png Bounty Hunter - Shadow Walk
Quill Spray icon.png Bristleback - Quill Spray* Return (Centaur) icon.png Centaur Warrunner - Return
Penitence icon.png Chen - Penitence Searing Arrows icon.png Clinkz - Searing Arrows
Poison Touch icon.png Dazzle - Poison Touch* Shadow Wave icon.png Dazzle - Shadow Wave
Exorcism icon.png Death Prophet - Exorcism* Diffusal Blade icon.png Diffusal Blade (3300) - Feedback
Earth Splitter icon.png Elder Titan - Earth Splitter** Echo Stomp icon.png Elder Titan - Echo Stomp**
Sleight of Fist icon.png Ember Spirit - Sleight of Fist Javelin icon.png Javelin (1500) - Pierce
Omnislash icon.png Juggernaut - Omnislash Feast icon.png Lifestealer - Feast
Entangling Claws icon.png Lone Druid - Spirit Bear - Entangling Claws Necronomicon warrior mana burn icon.png Necronomicon - Necronomicon Warrior - Mana Break
Vendetta icon.png Nyx Assassin - Vendetta Eye of the Storm icon.png Razor - Eye of the Storm
Backstab icon.png Riki - Backstab Roshan bash icon.png Roshan - Bash
Shadow Blade icon.png Shadow Blade (3000) - Shadow Walk Bash icon.png Slardar - Bash
Slithereen Crush icon.png Slardar - Slithereen Crush Headshot icon.png Sniper - Headshot
Meld icon.png Templar Assassin - Meld Anchor Smash icon.png Tidehunter - Anchor Smash
Fury Swipes icon.png Ursa - Fury Swipes Nethertoxin icon.png Viper - Nethertoxin
The Swarm icon.png Weaver - The Swarm Death Ward icon.png Witch Doctor - Death Ward*

* Damage cannot be reduced by damage block.

** Half of damage dealt is physical.

[edit] Pure

Pure damage is a form of magical damage that is unaffected by magic resistance or magic amplification. It interacts normally with abilities that reduce all incoming damage, such as Dispersion icon.png Dispersion and Bristleback ability icon.png Bristleback, also with damage amplification. Because it is magical, it also ignores all armor or forms of damage block. It does not affect units under magic immunity and does normal damage against ethereal units. The following abilities deal pure damage:

Mist Coil icon.png Abaddon - Mist Coil* Brain Sap icon.png Bane - Brain Sap
Blade Mail icon.png Blade Mail (2200) - Damage Return Rupture icon.png Bloodseeker - Rupture**
Test of Faith icon.png Chen - Test of Faith Impetus icon.png Enchantress - Impetus
EMP icon.png Invoker - EMP Sun Strike icon.png Invoker - Sun Strike
Mystic Snake icon.png Medusa - Mystic Snake*** Necronomicon warrior last will icon.png Necronomicon - Necronomicon Warrior - Last Will
Spiked Carapace icon.png Nyx Assassin - Spiked Carapace Purification icon.png Omniknight - Purification
Arcane Orb icon.png Outworld Devourer - Arcane Orb Stifling Dagger icon.png Phantom Assassin - Stifling Dagger
Sun Ray icon.png Phoenix - Sun Ray Meat Hook icon.png Pudge - Meat Hook
Soul Catcher icon.png Shadow Demon - Soul Catcher Glaives of Wisdom icon.png Silencer - Glaives of Wisdom
Desolate icon.png Spectre - Desolate Dispersion icon.png Spectre - Dispersion
Psi Blades icon.png Templar Assassin - Psi Blades Chakram icon.png Timbersaw - Chakram
Timber Chain icon.png Timbersaw - Timber Chain Whirling Death icon.png Timbersaw - Whirling Death****
Laser icon.png Tinker - Laser

* Mist Coil deals pure damage to the caster, but magical damage to the target.

** Rupture will deal damage through magic immunity.

*** Mystic Snake deals pure damage to units in Stone Form caused by Medusa's Stone Gaze, and magical damage to all others.

**** Whirling Death will deal magical damage if there are no trees chopped down by Timbersaw within a radius of 300.

[edit] Composite

Composite damage (also known as mixed damage) is a physical damage that is also reduced by magic resistance. It is reduced by armor, magic resistance, but not by damage block. It goes through magic immunity. It does not affect ethereal units. The following abilities deal composite damage:

Acid Spray icon.png Alchemist - Acid Spray Wild Axes icon.png Beastmaster - Wild Axes
Land Mines icon.png Techies - Land Mines Suicide Squad, Attack! icon.png Techies - Suicide Squad, Attack!
Diabolic Edict icon.png Leshrac - Diabolic Edict Summon Spirit Bear icon.png Lone Druid - Summon Spirit Bear*

* If the Spirit Bear dies, Lone Druid takes backlash damage from the unit that killed the bear.

[edit] HP Removal

HP removal works by directly subtracting hitpoints from the affected unit. It ignores all damage reductions and amplifications. Unlike all other damage types, HP removal is not seen as damage by the game, so it will not interrupt Healing Salve icon.png Healing Salve or trigger any other on-damage effects such as Spiked Carapace icon.png Spiked Carapace. The following abilities count as HP removal damage:

Nightmare icon.png Bane - Nightmare Heartstopper Aura icon.png Necrophos - Heartstopper Aura
Sunder icon.png Terrorblade - Sunder Soul Rip icon.png Undying - Soul Rip*
Urn of Shadows icon.png Urn of Shadows (875) - Soul Release Wave of Terror icon.png Vengeful Spirit - Wave of Terror
Fatal Bonds icon.png Warlock - Fatal Bonds

* Soul Rip does HP removal to all units counted towards its damage/heal value.

The following abilities cause HP removal damage to the caster:

Armlet of Mordiggian icon.png Armlet of Mordiggian (2600) - Unholy Strength Burning Spear icon.png Huskar - Burning Spear
Overcharge icon.png Io - Overcharge Fire Spirits icon.png Phoenix - Fire Spirits
Icarus Dive icon.png Phoenix - Icarus Dive Sun Ray icon.png Phoenix - Sun Ray
Soul Ring icon.png Soul Ring (800) - Sacrifice

[edit] Universal

Universal damage is very similar to magical damage. It is reduced by magic resistance and deals 1.4x damage to ethereal units, but unlike magical damage, it goes through magic immunity. The following abilities do universal damage:

Pulverize icon.png Brewmaster - Earth - Pulverize Doom ability icon.png Doom - Doom
Echo Slam icon.png Earthshaker - Echo Slam* Midnight Pulse icon.png Enigma - Midnight Pulse
Laguna Blade icon.png Lina - Laguna Blade** March of the Machines icon.png Tinker - March of the Machines
Flaming Fists icon.png Warlock - Chaotic Offering - Flaming Fists

* Only the initial damage is universal.

** Only when upgraded by Aghanim's Scepter icon.png Aghanim's Scepter

[edit] External Links