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Aura

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A Marauder with five auras: Determination, Grace, Haste, Hatred and Purity of Elements.

Auras are permanent effects that benefit your character and extend their benefits to nearby party members and minions. Auras reserve a portion of your Mana pool. All auras, with the exception of Clarity, reserve a percentage of your Maximum Mana pool.

All allies within range of a player's aura skill will receive the aura's buff. Passive and item mod bonuses can apply to the stats granted by auras, but these bonuses are determined by the passives and items of the receiver, not the player who is the source of the aura. For example, player A has passives for extra energy shield and is generating a Discipline aura. Player A will gain a bonus on the energy shield granted by the aura. But party member Player B who is standing inside the aura radius of Player A will only receive the base amount of energy shield granted by the aura unless Player B also has energy shield boosting passives.

Skills

There are currently 13 aura skills that grant a permanent effect:

Skill Icon Description Mana Reserve Level
Anger Anger skill icon.png Casts an aura that adds flat Fire damage to attacks and spells. 50% 10
Clarity Clarity skill icon.png Casts an aura that grants Mana Regeneration. 34-279 10
Determination Determination skill icon.png Casts an aura that enhances Armor by a percentage. 50% 31
Discipline Discipline skill icon.png Casts an aura that grants Energy Shield. 35% 31
Grace Grace skill icon.png Casts an aura that grants Evasion Rating. 50% 31
Haste Haste skill icon.png Casts an aura that increases Attack Speed, Cast Speed and Movement Speed. 50% 31
Hatred Hatred skill icon.png Casts an aura that adds Cold damage, by a percentage of your physical damage, to any physical damage skill including spells. 50% 10
Purity of Elements Purity of Elements skill icon.png Casts an aura that grants a bonus to all Elemental Resistances. 35% 31
Purity of Fire Purity of Fire skill icon.png Casts an aura that grants a bonus to Fire Resistance and Maximum Fire Resistance. 35% 10
Purity of Ice Purity of Ice skill icon.png Casts an aura that grants a bonus to Cold Resistance and Maximum Cold Resistance. 35% 10
Purity of Lightning Purity of Lightning skill icon.png Casts an aura that grants a bonus to Lightning Resistance and Maximum Lightning Resistance. 35% 10
Vitality Vitality skill icon.png Casts an aura that grants Health Regeneration based on a percentage of Maximum Health. 35% 24
Wrath Wrath skill icon.png Casts an aura that adds flat Lightning damage to attacks and a percentage increased Lightning damage to spells. 50% 10

And there are five vaal auras that grant a temporary effect:

Skill Icon Description Duration Level Souls
Gluttony of Elements Gluttony of Elements skill icon.png Casts a temporary aura that causes taking elemental damage to heal you and nearby allies instead. 6.00 seconds 1 36, 54, 72
Vaal Clarity Clarity skill icon.png Casts a temporary aura that lets you and your allies cast skills without paying their mana costs. 8.00 seconds 10 16, 24, 32
Vaal Discipline Discipline skill icon.png Casts a temporary aura that grants energy shield to you and your allies and prevents energy shield recharge being delayed by damage taken. 3.00 seconds 31 24, 36, 48
Vaal Grace Grace skill icon.png Casts a temporary aura that grants you and your allies the ability to dodge attacks and spells. 6.00 seconds 31 24, 36, 48
Vaal Haste Haste skill icon.png Casts a temporary aura that increases the movement speed, attack speed and cast speed of you and your allies. 6.00 seconds 31 24, 36, 48

Support Gem Combinations

Auras themselves do not do damage. They provide a buff which can add extra damage, extra defenses or utility. As with curses, added damage supports can't be linked with auras successfully. These support gems will affect auras:

Blood Magic - This will cause linked auras to reserve health instead of mana.

Spell Totem - Casts a totem which will maintain the aura. The cost to cast the totem is the mana that would be reserved multiplied by the Mana Cost Multiplier of the Totem support and any other linked support gems.

Generosity - Increases the effect of the auras on allies (including minions) but prevents them from affecting the player.

Enlighten - Reduces the mana reserved by the aura.

Note! Reduced Mana - does not affect mana/health reservation.

Passive skills

There are passive skills that grant aura bonuses.

Area of effect radius for auras

These passive skills grant increased area of effect radius for auras.

Name Bonuses
Aura Area of Effect
  • 12% increased Radius of Auras
Leadership
  • 30% increased Radius of Auras
  • 6% increased effect of Auras you Cast

Effectiveness of auras

These passive skills grant increased effect magnitude for auras.

Name Bonuses
Aura Effect
  • 6% increased effect of Auras you Cast
Champion of the Cause
  • 12% increased Radius of Auras
  • 4% reduced Mana Reserved
  • 6% increased effect of Auras you Cast
Charisma
  • 8% reduced Mana Reserved
  • 6% increased effect of Auras you Cast
Influence
  • 14% increased effect of Auras you Cast
Sovereignty
  • 6% reduced Mana Reserved
  • 10% increased effect of Auras you Cast

Calculation Mechanics

The calculation to determine the reservation cost of an aura is ceiling(ceiling(floor(base Mana Reserved * Mana Multiplier) * (100% - less Mana Reserved)) * (100% - reduced Mana Reserved)).
With equipment and passives available as of version 1.3, each category includes the following.


  • Mana Multiplier: Support Gem.
  • Less Mana Reserved: Mortal Conviction.
  • Reduced Mana Reserved: All passive nodes which provide "reduced Mana Reserved", Alpha's HowlAlpha's Howl
    Sinner Tricorne
    Evasion: (578 to 642)
    Requires Level 64, 138 Dex+2 to Level of Aura Gems in this item
    (80 to 100)% increased Evasion Rating
    +(20 to 30)% to Cold Resistance
    25% chance to Avoid being Chilled
    Cannot be Frozen
    8% reduced Mana Reserved
    Nature respects the strong
    And paints the snow red
    With the blood of the weak
    , and Prism GuardianPrism Guardian
    Archon Kite Shield
    Chance to Block: 22%
    Armour: 162
    Energy Shield: 48
    Requires Level 68, 85 Str, 85 Int+12% to all Elemental Resistances+2 to Level of Aura Gems in this item
    Socketed Gems have Blood Magic
    Socketed Gems have 25% reduced Mana Reservation
    +(20 to 30) to Dexterity
    +25% to all Elemental Resistances
    When blood is paid, the weak think twice.
    .


Examples of this calculation are as follows.


4% reduced Mana Reserved, and Discipline:
ceiling(floor(50%)*(100%-4%)) = ceiling(floor(50%)*96%) = ceiling(49%*96%) = ceiling(48%) = 48%


Mortal Conviction, 6% reduced Mana Reserved, Prism GuardianPrism Guardian
Archon Kite Shield
Chance to Block: 22%
Armour: 162
Energy Shield: 48
Requires Level 68, 85 Str, 85 Int+12% to all Elemental Resistances+2 to Level of Aura Gems in this item
Socketed Gems have Blood Magic
Socketed Gems have 25% reduced Mana Reservation
+(20 to 30) to Dexterity
+25% to all Elemental Resistances
When blood is paid, the weak think twice.
, and Discipline:
ceiling(ceiling(floor(50%)*(100%-50%))*(100%-(6%+25%))) = ceiling(ceiling(floor(50%)*50%)*69%) = ceiling(ceiling(50%*50%)*69%) = ceiling(ceiling(25%)*69%) = ceiling(25%*69%) = ceiling(17.25%) = 18%


Or, in the most extreme case, Mortal Conviction, 38% reduced Mana Reserved, Alpha's HowlAlpha's Howl
Sinner Tricorne
Evasion: (578 to 642)
Requires Level 64, 138 Dex+2 to Level of Aura Gems in this item
(80 to 100)% increased Evasion Rating
+(20 to 30)% to Cold Resistance
25% chance to Avoid being Chilled
Cannot be Frozen
8% reduced Mana Reserved
Nature respects the strong
And paints the snow red
With the blood of the weak
, Prism GuardianPrism Guardian
Archon Kite Shield
Chance to Block: 22%
Armour: 162
Energy Shield: 48
Requires Level 68, 85 Str, 85 Int+12% to all Elemental Resistances+2 to Level of Aura Gems in this item
Socketed Gems have Blood Magic
Socketed Gems have 25% reduced Mana Reservation
+(20 to 30) to Dexterity
+25% to all Elemental Resistances
When blood is paid, the weak think twice.
, and Discipline:
ceiling(ceiling(floor(50%*70%)*(100%-50%))*(100%-(38%+8%+25%))) = ceiling(ceiling(floor(35%)*50%)*29%) = ceiling(ceiling(35%*50%)*29%) = ceiling(ceiling(17.5%)*29%) = ceiling(18%*29%) = ceiling(5.22%) = 6%

See also

Version history

Version Changes
1.1.4
  • Added a new corrupted Skill Gem - Vaal Grace: Casts a temporary aura that grants you and your allies the ability to dodge attacks and spells.
  • Added a new corrupted Skill Gem - Vaal Clarity: Casts a temporary aura that lets you and your allies cast skills without paying their mana costs.
1.1.3
  • Added a new corrupted Skill Gem - Vaal Haste: Casts a temporary aura that increases the movement speed, attack speed and cast speed of you and your allies.
  • Added a new corrupted Skill Gem - Vaal Discipline: Casts a temporary aura that grants energy shield to you and your allies and prevents energy shield recharge being delayed by damage taken.
1.0.1
  • Added a new Strength skill gem - Purity of Fire: Casts an aura that grants fire resistance to you and your allies. Higher levels increase maximum fire resistance.
  • Added a new Dexterity skill gem - Purity of Ice: Casts an aura that grants cold resistance to you and your allies. Higher levels increase maximum cold resistance.
  • Added a new Intelligence skill gem - Purity of Lightning: Casts an aura that grants lightning resistance to you and your allies. Higher levels increase maximum lightning resistance.
  • Purity renamed to Purity of Elements. This aura no longer grants maximum resistances.
1.0.0
  • For all Auras: Base area of effect has been increased. The area of effect bonus from quality has been doubled.
  • The mana cost for all auras except Clarity has been changed to 60% reservation.
0.9.8
  • Added a new player aura - Clarity: An aura that grants mana regeneration to you and your allies.
0.9.7
  • Added nine player aura skills: Anger (Fire Damage), Hatred (Cold Damage), Wrath (Lightning Damage), Discipline (Energy Shield), Grace (Evasion), Determination (Armour), Purity (Elemental Resistances), Haste (Attack Speed and Cast Speed) and Vitality (Life Regeneration).