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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 summary
Damage type Armor/
Damage block
Magic
resistance
Magic
immunity
Magical No Yes Yes
Physical Yes No No
Pure No No Yes
Composite Yes Yes No
HP Removal No No No
Universal No Yes 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 skills. 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 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] 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, 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
Reality Rift icon.png Chaos Knight - Reality Rift 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* Unknown icon.png

* 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 and 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 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.
** 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 chop 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
Diabolic Edict icon.png Leshrac - Diabolic Edict Summon Spirit Bear icon.png Lone Druid - Summon Spirit Bear*
Unknown icon.png Techies - Land Mines Unknown icon.png Techies - Suicide Squad, Attack!


* 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 or trigger any other on-damage effects such as Spiked Carapace. The following abilities count as HP removal damage:

Nightmare icon.png Bane - Nightmare Rupture icon.png Bloodseeker - Rupture
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. Currently there are four spells and two passives with this damage type:

Pulverize icon.png Brewmaster - Earth - Pulverize Doom skill icon.png Doom - Doom
Echo Slam icon.png Earthshaker - Echo Slam* Midnight Pulse icon.png Enigma - Midnight Pulse
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.

[edit] External Links