Spell damage


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Spell damage Spell damage sources

Spell damage is all damage which is not dealt by physical attacks Attack damage is the amount of damage a unit is dealing with an unmodified basic attack; the base values are different for every hero. The total attack damage of a unit is the sum of dota2 . This includes all spells which deal magical, physical or pure damage. Even the damage dealt by attack modifiers Attack modifiers are modifiers which apply an effect to a unit s basic attacks. These effects can widely vary, from healing, to damaging or even disabling effects. Most of these modifiers have their own rules. For dota2 counts as spell damage, as long as the effect deals its damage in a separate instance from the attack damage.

Magic spell damage is influenced by magic resistance Magic resistance is an attribute of heroes, similar to armor. Instead of reducing physical damage, it reduces magical damage. All heroes, except for Meepo and Visage, possess 25% magic resistance from their armor type. This dota2 , physical spell damage is influenced by armor Armor is an attribute shared by all units. Armor is used to determine the amount of damage reduction (or amplification if an armor value is negative) a unit takes from physical damage sources. Higher armor dota2 and pure damage is not affected by either. All three underlie damage manipulation There are several ways to affect the final value of a damage instance. Damage can be manipulated on both ends, from the dealing unit (outgoing damage) and the receiving unit (incoming damage). Armor and magic dota2 .

Sources of spell damage

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Spell amplification

Spell damage can be directly amplified. Each point of Intelligence attribute symbol.png Intelligence Intelligence is the attribute that grants mana, mana regeneration and spell damage amplification. For each point of intelligence a hero gets: 11 Mana 0.04 Mana regeneration 0.07% Spell damage Additionally, intelligence heroes also get 1 dota2 increases a hero`s spell damage by 0.07%, which equates to 1% spell damage for every 14 points of intelligence. Spell damage amplification of multiple sources stacks additively. The amplification does not only affect spell damage dealt against enemies, it also causes damage afflicted to allies or the own unit to get amplified.

Currently there is no unit ability that directly amplifies spell damage, but a couple of heroes have perks in the talents tree.

Spell damage increasing abilities
  • Ancient Apparition - Talent by Level 10 Left
    Talent Left 1.png
    Spell Amplification: 8%
  • Batrider - Talent by Level 15 Right
    Talent Right 2.png
    Spell Amplification: 5%
  • Centaur Warrunner - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 10%
  • Death Prophet - Talent by Level 10 Right
    Talent Right 1.png
    Spell Amplification: 5%
  • Disruptor - Talent by Level 20 Left
    Talent Left 3.png
    Spell Amplification: 10%
  • Earth Spirit - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 15%
  • Ember Spirit - Talent by Level 10 Right
    Talent Right 1.png
    Spell Amplification: 8%
  • Gyrocopter - Talent by Level 10 Right
    Talent Right 1.png
    Spell Amplification: 6%
  • Jakiro - Talent by Level 10 Left
    Talent Left 1.png
    Spell Amplification: 8%
  • Leshrac - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 5%
  • Lina - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 6%
  • Lion - Talent by Level 20 Left
    Talent Left 3.png
    Spell Amplification: 8%
  • Magnus - Talent by Level 10 Left
    Talent Left 1.png
    Spell Amplification: 15%
  • Mirana - Talent by Level 15 Right
    Talent Right 2.png
    Spell Amplification: 5%
  • Necrophos - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 5%
  • Nyx Assassin - Talent by Level 10 Right
    Talent Right 1.png
    Spell Amplification: 5%
  • Ogre Magi - Talent by Level 25 Right
    Talent Right 4.png
    Spell Amplification: 15%
  • Outworld Devourer - Talent by Level 25 Left
    Talent Left 4.png
    Spell Amplification: 8%
  • Phoenix - Talent by Level 20 Left
    Talent Left 3.png
    Spell Amplification: 8%
  • Puck - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 10%
  • Rubick - Talent by Level 20 Left
    Talent Left 3.png
    Spell Amplification: 8%
  • Shadow Demon - Talent by Level 15 Left
    Talent Left 2.png
    Spell Amplification: 8%
  • Shadow Fiend - Talent by Level 15 Right
    Talent Right 2.png
    Spell Amplification: 6%
  • Storm Spirit - Talent by Level 25 Right
    Talent Right 4.png
    Spell Amplification: 10%
  • Timbersaw - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 5%
  • Tinker - Talent by Level 15 Left
    Talent Left 2.png
    Spell Amplification: 4%
  • Underlord - Talent by Level 15 Left
    Talent Left 2.png
    Spell Amplification: 12%
  • Visage - Talent by Level 25 Right
    Talent Right 4.png
    Spell Amplification: 20%
  • Windranger - Talent by Level 20 Right
    Talent Right 3.png
    Spell Amplification: 15%

These items passively increase the owner`s spell damage amplification by merely having them equipped. They either grant a flat bonus, or bonus through intelligence.

Spell damage increasing items (One value point equals 1% spell damage amplification)
Item Value Item cost Cost per value point
Aether Lens   Item   Interactions   Changelogs     Aether Lens Polished with the incantation of his final breath, the gift of a dying mage to his sickly son. Cost2350 (600) Bought FromCaster Passive Spell Range dota2 6 2350 391.67
Aghanim`s Scepter   Item   Upgraded Abilities   Old Abilities   Lore   Changelogs     Aghanim s Scepter The scepter of a wizard with demigod-like powers. Cost4200 Bought FromCaster Passive Ultimate Upgrade Bonus +10 Strength+10 Agility+10 Intelligence+175 dota2 0.71 4200 5915.49
Blade Mail   Item   Old Abilities   Changelogs     Blade MailBL A razor-sharp coat of mail, it is the choice of selfless martyrs in combat. Cost2200 Bought FromArmor Active Damage Return Bonus +10 Intelligence+6 Armor+22 dota2 0.71 2200 3098.59
Bloodthorn   Item   Changelogs     BloodthornB A reviled blade that bites deeper with each wriggle of its victim s final throes. Cost7195 (1000) Bought FromWeapons Active Soul Rend Passive Critical Strike Bonus +25 Intelligence+30 Attack dota2 1.79 7195 4019.55
Bracer   Item   Changelogs     BracerB The bracer is a common choice to toughen up defenses and increase longevity. Cost490 (175) Bought FromCommon Bonus +6 Strength+3 Agility+3 Intelligence+3 Attack damage Disassemble? No Alert allies? dota2 0.21 490 2333.33
Buckler   Item   Old Abilities   Changelogs     BucklerB A powerful shield that imbues the bearer with the strength of heroes past, it is capable of protecting entire armies in battle. Cost800 (200) Bought dota2 0.14 800 5714.29
Circlet   Item   Changelogs     CircletB An elegant circlet designed for human princesses. Cost165 Bought FromAttributes Bonus +2 Strength+2 Agility+2 Intelligence Disassemble? No Alert allies? No Recipe The Circlet is an item purchasable at dota2 0.14 165 1178.57
Crimson Guard   Item   Changelogs     Crimson Guard A cuirass originally built to protect against the dreaded Year Beast. Cost3550 (600) Bought FromArmor Active Guard Passive Damage Block Bonus +2 Strength+2 Agility+2 Intelligence+250 Health+8 Health dota2 0.14 3550 25357.14
Dagon 1 Dagon 1 A lesser wand that grows in power the longer it is used, it brings magic to the fingertips of the user. Cost2720 (1250) Bought FromCaster Active Energy Burst Bonus +3 Strength+3 Agility+16 Intelligence+9 dota2 1.14 2720 2385.96
Dagon 2 Dagon 2 A lesser wand that grows in power the longer it is used, it brings magic to the fingertips of the user. Cost3970 (1250) Bought FromCaster Active Energy Burst Bonus +3 Strength+3 Agility+19 Intelligence+9 dota2 1.36 3970 2919.12
Dagon 3 Dagon 3 A lesser wand that grows in power the longer it is used, it brings magic to the fingertips of the user. Cost5220 (1250) Bought FromCaster Active Energy Burst Bonus +3 Strength+3 Agility+22 Intelligence+9 dota2 1.57 5220 3324.84
Dagon 4 Dagon 4 A lesser wand that grows in power the longer it is used, it brings magic to the fingertips of the user. Cost6470 (1250) Bought FromCaster Active Energy Burst Bonus +3 Strength+3 Agility+25 Intelligence+9 dota2 1.79 6470 3614.53
Dagon 5 Dagon 5 A lesser wand that grows in power the longer it is used, it brings magic to the fingertips of the user. Cost7720 (1250) Bought FromCaster Active Energy Burst Bonus +3 Strength+3 Agility+28 Intelligence+9 dota2 2 7720 3860
Diffusal Blade 1 Diffusal Blade 1 An enchanted blade that allows the user to cut straight into the enemy s soul. Cost3150 (700) Bought FromArtifacts Active Purge Charges 8 Passive Manabreak Bonus +25 Agility+10 Intelligence Disassemble? No Alert allies? dota2 0.71 3150 4436.62
Diffusal Blade 2 Diffusal Blade 2 An enchanted blade that allows the user to cut straight into the enemy s soul. Cost3850 (700) Bought FromArtifacts Active Purge Charges 8 Passive Manabreak Bonus +35 Agility+15 Intelligence Disassemble? No Alert allies? dota2 1.07 3850 3598.13
Drum of Endurance   Item   Changelogs     Drum of EnduranceB A relic that enchants the bodies of those around it for swifter movement in times of crisis. Cost1640 (575) Bought FromSupport Active Endurance Charges 6 Passive dota2 0.43 1640 3813.95
Echo Sabre   Item   Changelogs     Echo SabreB A deceptively swift blade imbued with resonant magic. Cost2650 Bought FromArtifacts Passive Echo Strike Bonus +10 Strength+10 Intelligence+10 Attack speed+75% Mana regeneration+15 Attack damage Disassemble? No Alert dota2 0.71 2650 3732.39
Ethereal Blade   Item   Changelogs     Ethereal Blade A flickering blade of a ghastly nature, it is capable of dealing damage in both magical and physical planes. Cost4700 Bought FromWeapons Active Ether Blast Bonus +10 dota2 0.71 4700 6619.72
Eul`s Scepter of Divinity For the cosmetic item equipped by Crystal Maiden, see Eul s Scepter of Divinity (Equipment)   Item   Changelogs   Known Bugs     Eul s Scepter of DivinityB A mysterious scepter passed down through the ages, dota2 0.71 2750 3873.24
Eye of Skadi 1.79 5775 3226.26
Force Staff 0.71 2250 3169.01
Ghost Scepter 0.36 1500 4166.67
Guardian Greaves 0.36 5375 14930.56
Headdress 0.14 675 4821.43
Helm of the Dominator 0.14 2025 14464.29
Hurricane Pike 0.71 4650 6549.3
Iron Branch 0.07 50 714.29
Linken`s Sphere 1.07 4850 4532.71
Magic Wand 0.29 465 1603.45
Manta Style 0.71 5000 7042.25
Mantle of Intelligence 0.21 150 714.29
Mekansm 0.36 2375 6597.22
Mystic Staff 1.79 2700 1508.38
Necronomicon 1 1.07 2650 2476.64
Necronomicon 2 1.5 3850 2566.67
Necronomicon 3 1.71 5050 2953.22
Null Talisman 0.43 470 1093.02
Oblivion Staff 0.71 1650 2323.94
Octarine Core 1.79 5900 3296.09
Orchid Malevolence 1.79 4075 2276.54
Power Treads (Intelligence) 0.71 1350 1901.41
Ring of Aquila 0.21 985 4690.48
Robe of the Magi 0.43 450 1046.51
Rod of Atos 1.43 3080 2153.85
Scythe of Vyse 2.5 5700 2280
Shiva`s Guard 2.14 4750 2219.63
Silver Edge 1.07 5550 5186.92
Staff of Wizardry 0.71 1000 1408.45
Ultimate Orb 0.71 2150 3028.17
Urn of Shadows 0.14 875 6250
Veil of Discord 0.86 2240 2604.65
Vladmir`s Offering 0.14 2275 16250
Wraith Band 0.21 485 2309.52
Values may include portions from actives or auras.

Unaffected by amplification

There are certain cases of abilities that ignore spell amplification. It is important to note that those spells cannot spell lifesteal, too.

In general abilities related to health manipulation (instantly killing effect, health cost, delayed damage) and regular attacks (cleave,