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Spell power coefficient

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Spell power coefficient is an intrinsic property of a spell that determines how much bonus damage or healing it gets from the spell power attribute accumulated from gear, buffs, and talents. In most cases, the coefficient is fixed for a spell; in other cases, it is changed by talents, such as various "empowering" talents, available to some caster classes. Spell power coefficients usually follow set rules outlined in the spell power article, but many exceptions exist. Exact spell power coefficients are tested experimentally and documented when well known.

Note: Some of the coefficients in this article might be outdated. If you would like to help out, check out this page: How to test spell coefficients.

Please note that the listed coefficients are base coefficients and apply for the whole spell and per target, unless otherwise stated. In addition, if talents which specifically affect the coefficient (such as Empowered Fireball) exist for a spell, they are mentioned as well. Any effects which increase overall damage and/or healing, be it directly (e.g. Darkness, Moonfury) or indirectly (e.g. Shadow Weaving), are not listed here.

When updating values, please try to add the patch version you tested.

Contents

Druid Coefficients

Spell Name Spell Power Coefficient[1][2][3][4][5][6] Patch last tested
Healing Abilities
Healing Touch 161.1% (201.1% with Empowered Touch) Patch 3.1.1
LifebloomDH 51.6% (61.9% with Empowered Rejuvenation) Patch 3.2.0
LifebloomHoT 9.518% (per tick) (11.422% with Empowered Rejuvenation) Patch 3.2.0
Rejuvenation 37.604% (per tick)(45.125% with Empowered Rejuvenation) Patch 3.1.0
RegrowthDH Approx 53.90% (64.68% with Empowered Rejuvenation) Patch 3.1.0
RegrowthHoT 18.80% (per tick)(22.56% with Empowered Rejuvenation) Patch 3.1.0
Swiftmend (Rejuvenation) No direct benefit from spellpower Patch 3.1.0
Swiftmend (Regrowth) No direct benefit from spellpower Patch 3.1.0
Tranquility 53.80% (per tick) (64.56% with Empowered Rejuvenation) Patch 3.1.0
Wild Growth 11.505% (per tick) (13.81% with Empowered Rejuvenation) Patch 3.1.0
Nourish 67.1% (87.1% with Empowered Touch) Patch 3.2.0
Damage Abilities
Entangling Roots (per tick) 10% Patch 3.2.0
Force of Nature (per hit) 3.5% (before armor); potentially 50-60 hits during spell duration.
Hurricane 12.898% (per tick) Patch 3.2.0
Insect Swarm 20% (per tick) Patch 3.1.0
MoonfireDD 15.15% Patch 3.2.0
MoonfireDoT 13% (per tick) Patch 3.2.0
StarfallPer Star 4.58% Patch 3.1.0
StarfallAoE 1.19% Patch 3.1.0
Starfire 100% (120% with Wrath of Cenarius) Patch 3.2.0
Thornsper hit 3.3% Patch 3.1.2 (hotfix)
Typhoon 19.3% Patch 3.1.0
Wrath 57.14% (67.14% with Wrath of Cenarius) Patch 3.2.0
Feral Abilities (Attack Power Coefficients)
Lacerate (DD) 1% Patch 3.1.0
Lacerate (DoT) 1% (per tick) Patch 3.1.0
Pounce 3% (per tick) Patch 3.2.0
Swipe 6.3% Patch 3.2.0

Hunter pet coefficients

Sources: rawr 2.2.19 source code [1] [2]

Spell damage based damage abilities
Ability Hunter RAP1 Pet spell damage bonus Patch last tested
Acid Spit ~4.29% (3/70) 33% (1/3)  ?
Fire Breath (total) ~8.57% (6/70) 67% (2/3)  ?
Fire Breath (direct damage) ~4.29% (3/70) 33% (1/3)  ?
Fire Breath (DoT) ~4.29% (3/70)
(~2.14% (3/140) per tick) 		33% (1/3)
(16.7% (1/6) per tick) 		 ?
Froststorm Breath ~4.29% (3/70) 33% (1/3)  ?
Lava Breath ~4.29% (3/70) 33% (1/3)  ?
Lightning Breath ~4.29% (3/70) 33% (1/3)  ?
Nether Shock ~4.29% (3/70) 33% (1/3)  ?
Poison Spit ~4.29% (3/70)
(~0.86% per tick) 		33% (1/3)
(~6.7% (1/15) per tick) 		 ?
Scorpid Poison ~4.29% (3/70)
(~0.86% per tick) 		33% (1/3)
(~6.7% (1/15) per tick) 		 ?
Sonic Blast ~4.29% (3/70) 33% (1/3)  ?
Spirit Strike (total) ~8.57% (6/70) 67% (2/3)  ?
Spirit Strike (direct damage) ~4.29% (3/70) 33% (1/3)  ?
Spirit Strike (delayed damage) ~4.29% (3/70) 33% (1/3)  ?
Spore Cloud ~4.29% (3/70) 33% (1/3)  ?
Sting ~4.29% (3/70) 33% (1/3)  ?
Thunderstomp  ?  ? Never
Venom Web Spray ~17.1% (12/70)
(~4.29% (3/70) per tick) 		1.33% (4/3)
(33% (1/3) per tick) 		 ?
  1. Without Wild Hunt.

Mage Coefficients

Ability Name Spell Power Coefficient[7][8] Patch last tested
Arcane Abilities
Arcane Blast 71.43% (80.43% with Arcane Empowerment) Patch 3.0.8
Arcane Explosion 21.28% Patch 3.0.8
Arcane Missiles 142.86% total, 28.57% per pulse (187.86%/37.57% with Arcane Empowerment) Patch 3.0.8
Mana Shield 80.53% Patch 3.0.2
Arcane Barrage 71.43% Patch 3.0.9
Fire Abilities
Blast Wave 19.36% Patch 3.0.8
Dragon's Breath 19.36% Patch 3.0.8
Fire Blast 42.86% Patch 3.0.8
FireballDD 100.0% (115.0% with Empowered Fire) Patch 3.0.2
FireballDoT 0.0% Patch 3.0.2
FlamestrikeDD 23.57% Patch 3.0.2
FlamestrikeDoT 48.8% (12.2% per tick) Patch 3.0.2
PyroblastDD 115.0% Patch 3.0.2
PyroblastDoT 20.0% (5% per tick) Patch 3.0.2
Scorch 42.86% Patch 3.0.8
Frostfire BoltDD 85.71% (100.71% with Empowered Fire) Patch 3.0.2
Frostfire BoltDoT 0.0% Patch 3.0.2
Living BombDoT 80.0% (20.0% per tick) Patch 3.0.2
Living BombDD 40.0% Patch 3.0.2
Frost Abilities
Blizzard 115% (14.37% per tick) Patch 3.0.8
Cone of Cold 21.4% Patch 3.0.8
Frost Nova 19.3% Patch 3.0.8
Frostbolt 81.43% (91.43% with Empowered Frostbolt) Patch 3.0.8
Ice Barrier 80.53% Patch 3.0.2
Ice Lance 14.29% Patch 3.0.8
Summons and pet abilities
Mirror Image 33% of the mage's spell power Patch 3.2.0[9]
Frost Bolt (Mirror Image) 30% of the image's spell power
(10% of the mage's spell power) 		Patch 3.2.0[9]
Fire Blast (Mirror Image) 15% of the image's spell power
(5% of the mage's spell power) 		Patch 3.2.0[9]
Summon Water Elemental 33% of the mage's spell power Patch 3.2.0[9]
Freeze (Water Elemental) ? Never
Water Bolt (Water Elemental) 83.33% of the elemental's spell power
(27.78% of the mage's spell power) 		Patch 3.2.0[9]

Paladin coefficients

Paladins also receive bonus damage from attack power on their abilities.

Healing Abilities [10] [11] [12]
Ability Spell Power Coefficient Patch last tested
Flash of Light 101.02% Patch 3.2.2
Holy Light 168.37% Patch 3.2.2
Holy Shock 80.82% Patch 3.2.2
Sacred Shield 75.00% Patch 3.2.2
Offensive Abilities
Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Avenger's Shield 7.0% 7.0%
Consecration (per second) 4.0% 4.0% Patch 3.0.3
Exorcism 15.0% 15.0%
Hammer of Wrath 15.0% 15.0%
Holy Shield (per block) 9.0% 5.6% Patch 3.0.9
Holy Shock 42.86% 0.0% Patch 3.0.9
Holy Wrath 7.0% 7.0%
Seal of Command (judgement) 13.0% 8.0% Patch 3.2.2[13]
Seal of Corruption (DOT) 6.5% (1.3% per tick) 12.5% (2.5% per tick) Patch 3.2.2[14]
Seal of Corruption (judgement) 22.0% 14.0% Patch 3.2.2[15]
Seal of Justice (judgement) 25.0% 16.0%
Seal of Light (judgement) 25.0% 16.0%
Seal of Righteousness (per second) 4.4% 2.2% Patch 3.2.2[16]
Seal of Righteousness (judgement) 20.0% 32.0% Patch 3.2.2[17]
Seal of Vengeance (DOT) 6.5% (1.3% per tick) 12.5% (2.5% per tick) Patch 3.2.2[18]
Seal of Vengeance (judgement) 22.0% 14.0% Patch 3.2.2[19]
Seal of Wisdom (judgement) 25.0% 16.0%
Shield of Righteousness 0.0% 0.0% Patch 3.0.8
Offensive Abilities
Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Seal of Blood (judgement) 25.0% 16.0% Ability removed in Patch 3.2.0
Seal of the Martyr (judgement) 25.0% 16.0% Ability removed in Patch 3.2.0

Priest Coefficients

Ability Name Spell Power Coefficient[20] Patch last tested
Healing Abilities
Binding Heal 80.68% (90.68% with Empowered Healing) Patch 3.2.0
Circle of Healing 40.20% Patch 3.2.0
Desperate Prayer 80.68% Patch 3.2.0
Flash Heal 80.68% (90.68% with Empowered Healing) Patch 3.2.0
Greater Heal 161.35% (181.35% with Empowered Healing) Patch 3.2.0
Holy Nova (Healing) 30.35% Patch 3.2.0
Penance (Healing) 53.62% (per tick) Patch 3.2.0
Power Word: Shield 80.68% Patch 3.0.8
Prayer of Healing 52.6% Patch 3.2.0
Prayer of Mending (per charge) 80.68% Patch 3.2.0
Renew 37.6% (per tick) Patch 3.2.0
Offensive Abilities
Devouring Plague 18.5% (per tick) Patch 3.2.0
Holy FireDD 57.11% Patch 3.2.0
Holy FireDoT 2.40% (per tick) Patch 3.2.0
Holy Nova (Damage) 16.1% Patch 3.2.0
Mana Burn 0.0%
Mind Blast 42.85% Patch 3.2.0
Mind Flay 25.70% (per tick) Patch 3.2.0
Mind Sear 28.61% (per tick) Patch 3.2.0
Shadowfiend 35.68% (per hit)
(356.8%...392.5% over the total duration) 		Patch 3.2.0
Penance (Damage) 22.9% (per tick) Patch 3.2.0
Shadow Word: Death 42.96% Patch 3.2.0
Shadow Word: Pain 18.3% (per tick), 110% (overall) Patch 3.2.0
Smite 71.40% Patch 3.2.0
Vampiric Touch 40.0% (per tick) Patch 3.2.0

Shaman Coefficients

Ability Name Spell Power Coefficient Patch last tested
Healing Abilities*
Chain Heal 234.5% (134% + 67% + 33.5% on each "jump", respectively) Patch 3.0.3**
Earth Shield ~15% per charge Patch 3.0.2
Healing Stream Totem (per tick) 4.5% Pre-Patch 3.0.2*
Healing Wave 161.06% Patch 3.0.3
Lesser Healing Wave 80.82% Patch 3.0.3
Riptide 130% (40% direct, 18% per tick * 5)† Patch 3.0.8
Offensive Abilities
Chain Lightning 125% (57% + 40% + 28% on each "jump", respectively)

144.6% glyphed (19.60% on forth "jump".)

Patch 3.0.3
Earth Shock 38.58% Patch 3.0.3
Fire Nova Totem 21.42% Patch 3.0.3
Flame ShockDD 21.42% Patch 3.0.3
Flame ShockDoT 10% per tick (40% unglyphed, 60% w/ glyph total) Patch 3.0.3
Flametongue Weapon (per hit) 10%
Frost Shock 38.58% Patch 3.0.3
Frostbrand Weapon (per hit) 10%
Lava Burst 57.14% Patch 3.0.3
Lightning Bolt 71.43% Patch 3.0.3
Lightning Shield 100% (~33.3% per charge)
Magma Totem 6.66% per tick [10% per Tick Patch 3.0.8] Patch 3.0.3
Searing Totem 16.67% per tick Patch 3.0.3

* The coefficients shown for healing abilities are the pre-3.0 values obtained with Bonus Healing gear, and are probably double this value with Spell Power.

† Riptide values were gathered experimentally with multiple spell power values (~2 sigma spread). Data has been corrected to remove the effect of Purification.

Warlock Coefficients

Spell Name Spell Power Coefficient Patch last tested
Damage over Time Abilities[21][22]
Curse of Agony 10.0% per tick (all ticks)
120% (total, unglyphed)
140% (total, glyphed) 		Patch 3.3.0 (PTR)
Curse of Doom 200.0% Patch 3.2.0
Corruption 20% (per tick) (26% with Empowered Corruption) (31% with Empowered Corruption & Everlasting Affliction)

120.0% Total (156% with Empowered Corruption) (186% with Empowered Corruption & Everlasting Affliction)

Patch 3.2.0
Unstable Affliction (periodic damage) 20% (per tick) Patch 3.2.0
Unstable Affliction (Dispelled) 180%
Hybrid Abilities
Immolate (DoT) 20.0% (per tick)
(100% total) 		Patch 3.2.0
Immolate (DD) 20.0% Patch 3.2.0
Immolate (total) 120% Patch 3.2.0
Seed of Corruption (DoT component) 25.0% (per tick) Patch 3.2.0
Seed of Corruption (DD component) 21.29% Patch 3.2.0
Shadowflame (DoT component) 6.67% (per tick)
(26.68% total) 		Patch 3.2.0
Shadowflame (DD component) 10.64% Patch 3.2.0
Shadowflame (total) 37.74% Patch 3.2.0
Direct Damage Abilities
Conflagrate No direct benefit from spell power. Patch 3.2.0
Death Coil 21.40% Patch 3.2.0
Haunt 47.93% Patch 3.0.9
Incinerate (unconditional damage) 71.39% (85.69% with Shadow and Flame) Patch 3.2.0
Incinerate (bonus damage aganist targets affected by Immolate) n/a Patch 3.2.0
Inferno 100% Patch 3.2.2
Searing Pain 42.93% Patch 3.2.0
Shadow Bolt 85.69% (102.8% with Shadow and Flame) Patch 3.2.0
Shadowburn 42.93% Patch 3.2.0
Shadowfury 19.32% Patch 3.2.0
Soul Fire 115% Patch 3.2.0
Chaos Bolt 71.39% (85.69% with Shadow and Flame) Patch 3.2.0
Channeled Abilities
Drain Life 14.30% (per tick) Patch 3.2.0
Drain Mana 0.0%
Drain Soul 42.90% (per tick) Patch 3.2.0
Health Funnel (healing) 448.5% Patch 3.0.2
Hellfire (to enemies) 14.3% (per tick) Patch 3.2.0
Hellfire (to self) 9.49% (per tick) Patch 3.2.0
Rain of Fire 57.26% (per tick) Patch 3.2.0
Other Abilities
Dark Pact 96.0%
Life Tap (life cost and mana gain) n/a
(100% of spirit @ rank 1, 150% of spirit @ rank 2, 200% of spirit @ rank 3, 250% of spirit @ rank 4, 300% of spirit from rank 5 onward) 		Patch 3.0.2
Shadow Ward 30.0%
Metamorphosis Abilities
Immolation Aura ~214.5% (~14.3% per tick)
(243.23% (16.22% per tick) after Metamorphosis' 20% damage bonus) 		3.2.2
Shadow Cleave ~21.3%
(~25.6% after Metamorphosis' 20% damage bonus) 		3.2.2

Warlock minion coefficients

All values are before the effects of talents, glyphs and buffs.

Source: rawr 2.2.19 source code [3]

Minion Spell Name Warlock Spell Power Coefficient Minion Spell Power Coefficient Patch last tested
Any Auto-attack (per second) ~4.07% (0.57/14) n/a (~7.14% (1/14) of minion attack power)  ?
Imp Firebolt 15% 100%  ?
Imp Fire Shield (per hit) n/a or <0.15% n/a or <1% 3.2.21
Voidwalker Consume Shadows (healing)  ?
(? per tick) 		 ?
(? per tick) 		Never
Voidwalker Sacrifice (damage absorbed)  ?  ? Never
Voidwalker Suffering (threat)  ?  ? Never
Voidwalker Torment (threat)  ?  ? Never
Succubus Lash of Pain 15% 100%  ?
Felhunter Devour Magic (healing)  ?  ? Never
Felhunter Shadow Bite 6.44% 42.90% 3.3.0 (PTR)
Felguard Anguish (threat)  ?  ? Never
Felguard Cleave ~8.14% (0.57/7) n/a (~14.29% (1/7) of attack power)  ?
Felguard Intercept ~1.6% n/a (~2.8% of attack power) 3.2.2
Infernal Immolation 15% (per tick) 100% (per tick)  ?
Doomguard Rain of Fire  ?
(? per tick) 		 ?
(? per tick) 		Never
Doomguard War Stomp  ?  ? Never
  1. Needs further testing by a high level warlock.

Racial ability coefficients

Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Gift of the Naaru1 188.5% (37.7% per tick) 110% (22% per tick) Patch 3.2.2
  1. A single casting of Gift of the Naaru does not receive bonus healing from both attack power and spell power, instead, each casting uses the higher of the two bonuses.

References

  1. ^ Enomdar's Attic
  2. ^ WoW Sage Druid Details
  3. ^ EJ Starfall Results
  4. ^ EJ Insect Swarm Results
  5. ^ EJ Empowered Touch Results
  6. ^ Nourish Results
  7. ^ Zaldinar's Proven Beta Stuff at the official forums
  8. ^ WoW Sage Mage Details
  9. ^ 9.0 9.1 9.2 9.3 9.4 http://elitistjerks.com/f75/t30655-wotlk_complete_mage_compendium_3_2_2_combustion_update/
  10. ^ http://elitistjerks.com/f76/t16934-healadin_thread/p68/#post959725
  11. ^ http://elitistjerks.com/f76/t55577-holy_paladin_guide_3_1_a/
  12. ^ http://elitistjerks.com/f31/t37993-healing_coefficients/
  13. ^ http://www.wowhead.com/?spell=20375
  14. ^ http://www.wowhead.com/?spell=53736
  15. ^ http://www.wowhead.com/?spell=53736
  16. ^ http://www.wowhead.com/?spell=21084
  17. ^ http://www.wowhead.com/?spell=21084
  18. ^ http://www.wowhead.com/?spell=53736
  19. ^ http://www.wowhead.com/?spell=53736
  20. ^ WoW Sage Priest Details
  21. ^ Ghostcrawler's post on Corruption and Immolate
  22. ^ WoW Sage Warlock Details

See also

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