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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.

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 exist for a spell, they are mentioned as well. Any effects which increase overall damage and/or healing, be it directly (e.g. Spell nature moonglow [Moonfury]) or indirectly, are not listed here.

Druid

Spell Name Spell Power Coefficient[1][2][3][4][5][6] Patch last tested
Healing Abilities
Spell nature healingtouch [Healing Touch] 161.14% (201.14% with Ability druid empoweredtouch [Empowered Touch]) Patch 3.3.0
Inv misc herb felblossom [Lifebloom]DH 38.57% Patch 3.3.0
Inv misc herb felblossom [Lifebloom]HoT 6.53% (per tick) (7.84% with Spell nature rejuvenation [Empowered Rejuvenation]) Patch 3.3.0
Spell nature rejuvenation [Rejuvenation] 37.6% (per tick)(45.12% with Spell nature rejuvenation [Empowered Rejuvenation]) Patch 3.3.0
Spell nature resistnature [Regrowth]DH 30% Patch 3.3.0
Spell nature resistnature [Regrowth]HoT 18.78% (per tick)(22.54% with Spell nature rejuvenation [Empowered Rejuvenation]) Patch 3.3.0
Inv relics idolofrejuvenation [Swiftmend] (Rejuvenation) No direct benefit from spellpower Patch 3.3.0
Inv relics idolofrejuvenation [Swiftmend] (Regrowth) No direct benefit from spellpower Patch 3.3.0
Spell nature tranquility [Tranquility] 107.43% (per tick) (128.92% with Spell nature rejuvenation [Empowered Rejuvenation]) Patch 3.3.0
Ability druid flourish [Wild Growth] 11.51% (per tick) (13.82% with Spell nature rejuvenation [Empowered Rejuvenation]) Patch 3.3.0
Ability druid nourish [Nourish] 80.57% (100.57% with Ability druid empoweredtouch [Empowered Touch]) Patch 3.3.0
Damage Abilities
Spell nature stranglevines [Entangling Roots] (per tick) 20% Patch 3.2.0
Ability druid forceofnature [Force of Nature] (per hit) 3.5% (before armor); potentially 50-60 hits during spell duration.
Spell nature cyclone [Hurricane] 12.898% (per tick) Patch 3.2.0
Spell nature insectswarm [Insect Swarm] 20% (per tick) Patch 3.1.0
Spell nature starfall [Moonfire]DD 14.95% Patch 3.2.0
Spell nature starfall [Moonfire]DoT 13.02% (per tick) Patch 3.2.0
Ability druid starfall [Starfall]Per Star 30% Patch 3.3.3
Ability druid starfall [Starfall]AoE Per Star 13% Patch 3.3.3
Spell arcane starfire [Starfire] 100% (120% with Wrath of Cenarius (talent)) Patch 3.2.0
Spell nature thorns [Thorns]per hit 3.3% Patch 3.1.2 (hotfix)
Ability druid typhoon [Typhoon] 19.36% Patch 3.1.0
Spell nature wrathv2 [Wrath] 57.14% (67.14% with Wrath of Cenarius (talent)) Patch 3.2.0
Feral Abilities (Attack Power Coefficients)
Ability druid lacerate [Lacerate] (DD) 1% Patch 3.1.0
Ability druid lacerate [Lacerate] (DoT) 1% (per tick) Patch 3.1.0
Ability druid supriseattack [Pounce] 3% (per tick) Patch 3.2.0
Swipe 6.3% Patch 3.2.0

Hunter pet

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

Spell damage based damage abilities
Ability Hunter RAP[note 1] Pet spell damage bonus Patch last tested
Ability creature poison 02 [Acid Spit] ~4.29% (3/70) 33% (1/3) ?
Spell fire burnout [Fire Breath] (total) ~8.57% (6/70) 67% (2/3) ?
Spell fire burnout [Fire Breath] (direct damage) ~4.29% (3/70) 33% (1/3) ?
Spell fire burnout [Fire Breath] (DoT) ~4.29% (3/70)
(~2.14% (3/140) per tick)
33% (1/3)
(16.7% (1/6) per tick)
?
Spell frost ice shards [Froststorm Breath] ~4.29% (3/70) 33% (1/3) ?
Spell fire windsofwoe [Lava Breath] ~4.29% (3/70) 33% (1/3) ?
Spell nature lightning [Lightning Breath] ~4.29% (3/70) 33% (1/3) ?
Spell shadow soulleech 3 [Nether Shock] ~4.29% (3/70) 33% (1/3) ?
Peticon-beast Ability creature poison 02 [Poison Spit] ~4.29% (3/70)
(~0.86% per tick)
33% (1/3)
(~6.7% (1/15) per tick)
?
Ability poisonsting [Scorpid Poison] ~4.29% (3/70)
(~0.86% per tick)
33% (1/3)
(~6.7% (1/15) per tick)
?
Ability hunter pet bat [Sonic Blast] ~4.29% (3/70) 33% (1/3) ?
Spell nature starfall [Spirit Strike] (total) ~8.57% (6/70) 67% (2/3) ?
Spell nature starfall [Spirit Strike] (direct damage) ~4.29% (3/70) 33% (1/3) ?
Spell nature starfall [Spirit Strike] (delayed damage) ~4.29% (3/70) 33% (1/3) ?
Spell arcane massdispel [Spore Cloud] ~4.29% (3/70) 33% (1/3) ?
Spell nature slowpoison [Sting] ~4.29% (3/70) 33% (1/3) ?
Thunderstomp (pet) ? ? Never
Spell nature web [Venom Web Spray] ~17.1% (12/70)
(~4.29% (3/70) per tick)
1.33% (4/3)
(33% (1/3) per tick)
?

Mage

Ability Name Spell Power Coefficient[7][8] Patch last tested
Arcane Abilities
Spell arcane blast [Arcane Blast] 71.43% (80.43% with Spell frost manaburn [Arcane Empowerment]) Patch 3.3.2
Spell nature wispsplode [Arcane Explosion] 21.43% Patch 3.3.2
Spell nature starfall [Arcane Missiles] 142.86% total, 28.57% per pulse (187.86%/37.57% with Spell frost manaburn [Arcane Empowerment]) Patch 3.3.2
Spell shadow detectlesserinvisibility [Mana Shield] 80.53% Patch 3.0.2
Ability mage arcanebarrage [Arcane Barrage] 71.43% Patch 3.3.2
Fire Abilities
Spell holy excorcism 02 [Blast Wave] 19.36% Patch 3.0.8
Inv misc head dragon 01 [Dragon's Breath] 19.36% Patch 3.0.8
Spell fire fireball [Fire Blast] 42.86% Patch 3.0.8
Spell fire flamebolt [Fireball]DD 100.0% (115.0% with Spell fire flamebolt [Empowered Fire]) Patch 3.0.2
Spell fire flamebolt [Fireball]DoT 0.0% Patch 3.0.2
Spell fire selfdestruct [Flamestrike]DD 23.57% Patch 3.0.2
Spell fire selfdestruct [Flamestrike]DoT 48.8% (12.2% per tick) Patch 3.0.2
Spell fire fireball02 [Pyroblast]DD 115.0% (130% with Spell fire flamebolt [Empowered Fire]) Patch 3.0.2
Spell fire fireball02 [Pyroblast]DoT 20.0% (5% per tick) Patch 3.0.2
Spell fire soulburn [Scorch] 42.86% Patch 3.0.8
Ability mage frostfirebolt [Frostfire Bolt]DD 85.71% (100.71% with Spell fire flamebolt [Empowered Fire]) Patch 3.0.2
Ability mage frostfirebolt [Frostfire Bolt]DoT 0.0% Patch 3.0.2
Ability mage livingbomb [Living Bomb]DoT 80.0% (20.0% per tick) Patch 3.3.0
Ability mage livingbomb [Living Bomb]DD 42.86% Patch 3.3.0
Frost Abilities
Spell frost icestorm [Blizzard] 114.29% (14.29% per tick) Patch 3.3.0
Spell frost glacier [Cone of Cold] 20.36% Patch 3.3.0
Spell frost frostnova [Frost Nova] 19.36% Patch 3.0.8
Spell frost frostbolt02 [Frostbolt] 81.43% (91.43% with Spell frost frostbolt02 [Empowered Frostbolt]) Patch 3.3.0
Spell ice lament [Ice Barrier] 80.53% Patch 3.0.2
Spell frost frostblast [Ice Lance] 14.29% Patch 3.3.0
Summons and pet abilities
Spell magic lesserinvisibilty [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]
Spell fire fireball [Fire Blast] (Mirror Image) 15% of the image's spell power
(5% of the mage's spell power)
Patch 3.2.0[9]
Spell frost summonwaterelemental 2 [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

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

Healing Abilities [10][11][12]
Ability Spell Power Coefficient Patch last tested
Spell holy flashheal [Flash of Light] 100% Patch 3.3
Spell holy surgeoflight [Holy Light] 166% Patch 3.3
Spell holy searinglight [Holy Shock] 80.57% Patch 3.2.2
Ability paladin blessedmending [Sacred Shield] 75.00% Patch 3.2.2
Offensive Abilities
Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Spell holy avengersshield [Avenger's Shield] 7.0% 7.0% ?
Spell holy unyieldingfaith [Hand of Reckoning] 0% 50% Patch 3.3
Spell holy innerfire [Consecration] 32% (4% per second) 32% (4% per second) Patch 3.3
Spell holy crusaderstrike [Crusader Strike] 0% from weapon Patch 3.3
Ability paladin divinestorm [Divine Storm] 0% from weapon Patch 3.3
Spell holy excorcism 02 [Exorcism] 15.0% 15.0% Patch 3.3
Spell paladin hammerofwrath [Hammer of Wrath] 15.0% 15.0% Patch 3.3
Inv shield 1h hyrja d 01 [Holy Shield] (per block) 9.0% 5.6% Patch 3.0.9
Spell holy searinglight [Holy Shock] 42.86% 0.0% Patch 3.0.9
Spell holy excorcism [Holy Wrath] 7.0% 7.0% ?
Spell holy crusade [Retribution Aura] 3.3% 0% Patch 3.3
Spell holy sealofblood [Seal of Command] (on hit) 0% 5% Patch 3.3
Spell holy sealofblood [Seal of Command] (judgement) 14% 11.5% Patch 3.3
Spell holy sealofvengeance [Seal of Corruption] (DOT) 33% (6.6% per tick) 63% (12.6% per tick) Patch 3.3
Spell holy sealofvengeance [Seal of Corruption] (judgement) 24% 15% Patch 3.3
Spell holy sealofwrath [Seal of Justice] (chance of stun on hit) Patch 3.3
Spell holy sealofwrath [Seal of Justice] (judgement) 27.0% 17.5% Patch 3.3
Spell holy righteousnessaura [Seal of Wisdom] (mana on hit) Patch 3.3
Spell holy righteousnessaura [Seal of Wisdom] (judgement) 27.0% 17.5% Patch 3.3
Spell holy healingaura [Seal of Light] (heal on hit) 15.0% 15.0% Patch 3.3
Spell holy healingaura [Seal of Light] (judgement) 27.0% 17.5% Patch 3.3
Spell holy righteousnessaura [Seal of Righteousness] (per second) 9.5% 4.5% Patch 3.3
Spell holy righteousnessaura [Seal of Righteousness] (judgement) 35.5% 22.5% Patch 3.3
Spell holy sealofvengeance [Seal of Vengeance] (DOT) 33% (6.6% per tick) 63% (12.6% per tick) Patch 3.3
Spell holy sealofvengeance [Seal of Vengeance] (judgement) 24% 15% Patch 3.3
Ability paladin shieldofvengeance [Shield of Righteousness] 0.0% 0.0% Patch 3.0.8
Offensive Abilities
Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Spell holy sealofblood [Seal of Blood] (judgement) 25.0% 16.0% Ability removed in Patch 3.2.0
Spell holy sealofblood [Seal of the Martyr] (judgement) 25.0% 16.0% Ability removed in Patch 3.2.0

Priest

Ability Name Spell Power Coefficient Patch last tested
Healing Abilities
Spell holy blindingheal [Binding Heal] 54.4% (per target) Patch 4.3.2
Spell holy circleofrenewal [Circle of Healing] 26.0% (per target) Patch 4.3.2
Spell holy testoffaith [Desperate Prayer] 0% Patch 4.3.2
Spell holy flashheal [Flash Heal] 72.6% Patch 4.3.4
Spell holy heal [Greater Heal] 96.7% Patch 4.3.2
Spell holy greaterheal [Heal] 36.2% Patch 4.3.2
Spell holy holynova [Holy Nova] (Healing) 19.6% (per target) Patch 4.3.2
Spell holy penance [Penance] (Healing) 32.1% (per tick) Patch 4.3.2
Spell holy powerwordshield [Power Word: Shield] 87.0% Patch 4.3.2
Spell holy prayerofhealing02 [Prayer of Healing] 34.0% (per target) Patch 4.3.2
Spell holy prayerofmendingtga [Prayer of Mending] 31.8% (per charge) Patch 4.3.2
Spell holy renew [Renew] 13.1% (per tick) Patch 4.3.2
Spell holy divineprovidence [Holy Word: Sanctuary] 4.2% (per target per tick) Patch 4.3.2
Spell holy persuitofjustice [Holy Word: Serenity] 48.5% Patch 4.3.2
Spell holy summonlightwell [Lightwell] 106% (per charge) Patch 4.3.2
Offensive Abilities
Spell shadow devouringplague [Devouring Plague] 148% (total) Patch 4.0.3
Spell holy searinglight [Holy Fire]DD 111.0% Patch 4.3.4
Spell holy searinglight [Holy Fire]DoT 21.86% (total) Patch 4.3.4
Spell holy holynova [Holy Nova] (Damage) 14.3% (per target) Patch 4.3.2
Spell shadow manaburn [Mana Burn] 0.0%
Spell shadow unholyfrenzy [Mind Blast] 42.9% Patch 4.0.3
Spell shadow siphonmana [Mind Flay] 77.26% (total) Patch 4.0.3
Spell shadow mindshear [Mind Sear] 11.4% (per tick, per target) Patch 4.0.3
Spell shadow shadowfiend [Shadowfiend] 35.68% (per hit)
(356.8%...392.5% over the total duration)
Patch 3.2.0
Spell holy penance [Penance] (Damage) 45.8% (per tick) Patch 4.3.2
Spell shadow demonicfortitude [Shadow Word: Death] 28.2% Patch 4.0.3
Spell shadow shadowwordpain [Shadow Word: Pain] 110% (total) Patch 4.0.3
Spell holy holysmite [Smite] 85.6% Patch 4.3.2
Spell holy stoicism [Vampiric Touch] 40.0% (per tick; totaling 200%) Patch 4.0.3

Shaman

Ability Name Spell Power Coefficient Patch last tested
Healing Abilities
Spell nature healingwavegreater [Chain Heal] ??% (30.2% + ??% + ??% on each "jump", respectively)

??% glyphed (??% on forth "jump".)

Patch 4.0.3a (needs testing/confirmation)
Spell nature skinofearth [Earth Shield] 15.2% per charge Patch 4.0.3a
Inv spear 04 [Healing Stream Totem] (per tick) 8.3% Patch 4.0.3a
Spell nature healingwavelesser [Greater Healing Wave] 80.6% Patch 4.0.3a
Spell nature healingwavelesser [Healing Wave] 30.2% Patch 4.0.3a
Spell nature healingway [Healing Surge] 60.4% Patch 4.0.3a
Spell nature riptide [Riptide] 75.9% glyphed (23.4% direct, 7.5% per tick * 5 (* 7 if glyphed)) Patch 4.0.3a
Spell shaman giftearthmother [Earthliving Weapon] 23.2% (5.8% per tick * 4) Patch 4.0.3a
Inv elemental primal water [Cleansing Waters] 28.2% Patch 4.0.3a
Spell nature giftofthewaterspirit [Healing Rain] 41.5% (8.3% per tick * 5) Patch 4.0.3a
Unleashed Life ??% Patch 4.0.3a (needs testing/confirmation)
Offensive Abilities
Spell nature chainlightning [Chain Lightning] 125.14% (57.14% + 40% + 28% on each "jump", respectively)

145.14% with Shamanism (shaman talent); 164.74% glyphed with Shamanism (19.6% on forth "jump".)

Patch 3.3.0
Spell nature earthshock [Earth Shock] 38.58% Patch 3.0.3
Spell fire sealoffire [Fire Nova Totem] 21.42% Patch 3.0.3
Spell fire flameshock [Flame Shock]DD 21.43% Patch 3.3.0
Spell fire flameshock [Flame Shock]DoT 10.00% per tick; totaling 60.00% Patch 3.3.0
Spell fire flametounge [Flametongue Weapon] (per hit) 10%
Spell frost frostshock [Frost Shock] 38.58% Patch 3.0.3
Spell shaman unleashweapon frost [Frostbrand Weapon] (per hit) 10%
Spell shaman lavaburst [Lava Burst] 57.14% (77.14% with Shamanism (shaman talent)) Patch 4.0.1
Spell nature lightning [Lightning Bolt] 71.43% (91.43% with Shamanism (shaman talent)) Patch 4.0.1
Spell nature lightningshield [Lightning Shield] 33.33% per charge Patch 3.0.2
Spell fire selfdestruct [Magma Totem] 10% per tick Patch 3.0.8
Spell fire searingtotem [Searing Totem] 16.67% per tick Patch 3.0.3

Warlock

Spell Name Spell Power Coefficient Patch last tested
Damage over Time Abilities[13][14]
Bane of Agony 10.0% per tick (all ticks)
120% (total, unglyphed)
140% (total, Inv glyph primewarlock [glyphed])
Patch 4.0.1
Spell shadow auraofdarkness [Bane of Doom] 100.0% (per tick)
400% (total)
Patch 4.0.1
Spell shadow abominationexplosion [Corruption] 20% (per tick)

120.0% Total

Patch 4.0.1
Spell shadow unstableaffliction 3 [Unstable Affliction] (periodic damage) 20% (per tick)

100.0% Total

Patch 4.0.1
Spell shadow unstableaffliction 3 [Unstable Affliction] (Dispelled) 180% Patch 3.3.3
Hybrid Abilities
Spell fire immolation [Immolate] (DoT) 20.0% (per tick)
(100% total)
Patch 4.0.1
Spell fire immolation [Immolate] (DD) 20.0% Patch 3.2.0
Spell fire immolation [Immolate] (total) 120% Patch 3.2.0
Spell shadow seedofdestruction [Seed of Corruption] (DoT component) 25.0% (per tick) Patch 3.2.0
Spell shadow seedofdestruction [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
Spell fire fireball [Conflagrate] No direct benefit from spell power. Patch 3.3.0
Spell shadow deathcoil [Death Coil] 21.43% Patch 3.3.0
Haunt 42.86% Patch 4.0.1
Spell fire burnout [Incinerate] (unconditional damage) 71.43% Patch 4.0.1
Inferno 100% Patch 3.3.3
Spell fire soulburn [Searing Pain] 42.86% Patch 3.3.0
Spell shadow shadowbolt [Shadow Bolt] 85.71% Patch 4.0.1
Spell shadow scourgebuild [Shadowburn] 42.86% (51.42% with Spell shadow shadowandflame [Shadow and Flame]) Patch 3.3.3
Ability warlock shadowfurytga [Shadowfury] 19.36% Patch 3.3.0
Spell fire fireball02 [Soul Fire] 72.6% Patch 4.3.0
Ability warlock chaosbolt [Chaos Bolt] 71.42% (85.71% with Spell shadow shadowandflame [Shadow and Flame]) Patch 3.3.3
Channeled Abilities
Spell shadow lifedrain02 [Drain Life] 14.30% (per tick) Patch 3.2.0
Spell shadow siphonmana [Drain Mana] 0.0%
Spell shadow haunting [Drain Soul] 42.90% (per tick) Patch 4.0.1
Spell shadow lifedrain [Health Funnel] (healing) 54.8% per tick (548% total) Patch 3.3.0a
Spell fire incinerate [Hellfire] (to enemies) 14.3% (per tick) Patch 3.2.0
Spell fire incinerate [Hellfire] (to self) 9.49% (per tick) Patch 3.2.0
Spell shadow rainoffire [Rain of Fire] 33.00% (per tick) Patch 3.3.0
Other Abilities
Spell shadow deathpact [Dark Pact] (mana drained) 96.0%
Spell shadow burningspirit [Life Tap] 18% of total HP into Mana (21.6% with Improved Life Tap) Patch 4.0.1
Spell shadow antishadow [Shadow Ward] 80.7%[note 2]
Metamorphosis Abilities
Ability demonhunter immolation [Immolation Aura] ~214.5% (~14.3% per tick)
(243.23% (16.22% per tick) after Metamorphosis' 20% damage bonus)
3.2.2
Ability warlock avoidance [Shadow Cleave] ~21.3%
(~25.6% after Metamorphosis' 20% damage bonus)
3.2.2

Warlock minion

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
Felhunter Auto-attack (per second) 3.25% (0.57/17.5) 5.71% (1/17.5) of minion attack power 3.3.3
Succubus Auto-attack (per second) 4.28% (0.57/13.33) 7.5% (1/13.33) of minion attack power 3.3.3
Voidwalker Auto-attack (per second) 4.9% (0.798/16.28)[note 3] 6.14% (1/16.28) of minion attack power 3.3.3
Felguard Auto-attack (per second) 4.07% (0.57/14) 7.14% (1/14) of minion attack power 3.3.3
Imp Spell fire firebolt [Firebolt] 10.71% 71.42% 3.3.3
Imp Spell fire firearmor [Fire Shield] (per hit) 0% 0% 3.3.3
Voidwalker Spell shadow antishadow [Consume Shadows] (healing) 0% 0% 3.3.3
Voidwalker Sacrifice (damage absorbed) 0% 0% 3.3.3
Voidwalker Spell shadow blackplague [Suffering] (threat) ? ? Never
Voidwalker Spell shadow gathershadows [Torment] (threat) ? ? Never
Succubus Spell shadow curse [Lash of Pain] 6.43% 42.90% 3.3.3
Felhunter Spell nature purge [Devour Magic] (healing) 0% 0% 3.3.3
Felhunter Spell shadow soulleech 3 [Shadow Bite] 6.43% 42.90% 3.3.3
Infernal Spell shadow summoninfernal [Immolation] 20.25% (per tick) 135% (per tick) 3.3.3

Racial ability

Ability Spell Power Coefficient Attack Power Coefficient Patch last tested
Spell holy holyprotection [Gift of the Naaru][note 4] 188.5% (37.7% per tick) 110% (22% per tick) Patch 3.2.2

Notes

  1. ^ Without Wild Hunt
  2. ^ Ignores Spellpower from Spirit (Fel Armor and Life Tap Buff)
  3. ^ Voidwalker appears to recieve a 40% increased amount (0.57 * 1.4) of attackpower from the master, maybe needs some further testing
  4. ^ 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

See also

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