PoE Auras Gems & Stacker

Auras are persistent area of effect skills that surround a person or creature with some radius and grant their effects to allies and/or enemies within that radius (the aura's area of effect).

List of PoE Auras Gem

Requires Level	Aura Name	Auras from your skills grant	Tag
24	Anger	Casts an aura that adds fire damage to the attacks and spells of you and your allies.	Aura, Spell, AoE, Fire
16	Defiance Banner	Casting once reserves mana to carry a banner which increases the armour and evasion of nearby allies, and reduces the critical strike chance of nearby enemies. Gains stages over time while carrying the banner near enemies. Casting the skill again places the banner, ending the mana reservation. Once placed, it becomes more powerful for each stage gained. You cannot have multiple banners at the same time.	AoE, Spell, Duration, Aura, Physical
16	Flesh and Stone	Casts an aura that affects you and nearby enemies differently depending on your stance. Using the skill again alternates between Blood Stance and Sand Stance.	Spell, Aura, AoE, Stance
24	Determination	Casts an aura that grants armour to you and your allies.	Aura, Spell, AoE, Physical
24	Dread Banner	Casting once reserves mana to carry a banner which makes nearby allies inflict impale with attacks, and lessens the accuracy of nearby enemies. Gain stages by impaling enemies while carrying the banner. Casting the skill again places the banner, ending the mana reservation. Once placed, it becomes more powerful for each stage gained. You cannot have multiple banners at the same time.	AoE, Spell, Duration, Aura, Physical
24	Purity of Fire	Casts an aura that grants fire resistance to you and your allies.	Aura, Spell, AoE, Fire
24	Pride	Casts an aura that causes nearby enemies to take more physical damage.	Spell, AoE, Aura, Physical
4	Rejuvenation Totem	Summons a totem that has an aura which regenerates life for you and your nearby allies.	Totem, Aura, Spell, AoE
1	Smite	Performs a melee attack, and causes lightning to strike a targeted location or nearby enemy, dealing damage in an area. If the melee strike hits a target, that enemy cannot also be hit by the area damage. If this skill hits an enemy, you gain an aura buff, granting you and your allies additional lightning damage for a duration. Requires a Sword, Axe, Mace, Sceptre, Staff or Unarmed.	Lightning, Attack, AoE, Duration, Melee, Strike, Aura
24	Vaal Impurity of Fire	Casts an aura that reduces fire damage taken and provides ignite immunity to you and nearby allies, and makes hits against nearby enemies ignore their fire resistance.	Aura, Vaal, Spell, AoE, Duration, Fire
10	Vitality	Casts an aura that grants life regeneration to you and your allies.	Aura, Spell, AoE
4	War Banner	Casting once reserves mana to carry a banner which increases the accuracy of nearby allies, and physical damage taken by nearby enemies. Gain stages by killing enemies while carrying the banner. Casting the skill again places the banner, ending the mana reservation. Once placed, it becomes more powerful for each stage gained. You cannot have multiple banners at the same time.	AoE, Spell, Duration, Aura, Physical
24	Haste	Casts an aura that increases the movement speed, attack speed and cast speed of you and your allies.	Aura, Spell, AoE
24	Vaal Haste	Casts a temporary aura that increases the movement speed, attack speed and cast speed of you and your allies.	Aura, Vaal, Spell, AoE, Duration
24	Grace	Casts an aura that grants evasion to you and your allies.	Aura, Spell, AoE
24	Vaal Grace	Casts a temporary aura that grants you and your allies the ability to dodge attacks and spells.	Aura, Vaal, Spell, AoE, Duration
24	Hatred	Casts an aura that grants extra cold damage based on physical damage to you and your allies.	Aura, Spell, AoE, Cold
24	Purity of Ice	Casts an aura that grants cold resistance to you and your allies.	Aura, Spell, AoE, Cold
24	Vaal Impurity of Ice	Casts an aura that reduces cold damage taken and provides freeze and chill immunity to you and nearby allies, and makes hits against nearby enemies ignore their cold resistance.	Aura, Vaal, Spell, AoE, Duration, Cold
10	Precision	Casts an aura that grants accuracy and critical strike chance to you and your allies.	Aura, Spell, AoE
24	Purity of Elements	Casts an aura that grants elemental resistances to you and your allies.	Aura, Spell, AoE
24	Discipline	Casts an aura that grants additional energy shield and increased energy shield recharge rate to you and your allies.	Aura, Spell, AoE
24	Vaal Discipline	Casts a temporary aura that prevents energy shield recharge being delayed by damage taken for you and your allies.	Aura, Vaal, Spell, AoE, Duration
24	Wrath	Casts an aura that adds lightning damage to the attacks of you and your allies, and makes your spells deal more lightning damage.	Aura, Spell, AoE, Lightning
10	Clarity	Casts an aura that grants mana regeneration to you and your allies.	Aura, Spell, AoE
10	Vaal Clarity	Casts a temporary aura that lets you and your allies cast skills without paying their mana costs.	Aura, Vaal, Spell, AoE, Duration
12	Icicle Mine	Throws a mine that fires projectiles around it when detonated. These projectiles quickly dissipate as they travel, before disappearing	Mine, Spell, Projectile, Cold, Aura, AoE
24	Purity of Lightning	Casts an aura that grants lightning resistance to you and your allies.	Aura, Spell, AoE, Lightning
24	Vaal Impurity of Lightning	Casts an aura that reduces lightning damage taken and provides shock immunity to you and nearby allies, and makes hits against nearby enemies ignore their lightning resistance.	Aura, Vaal, Spell, AoE, Duration, Lightning
28	Pyroclast Mine	Throws a mine that deals damage in an area when detonated, then launches fiery projectiles that rain down around it, each dealing damage in a smaller area.	Mine, Spell, Projectile, Fire, AoE, Aura, Nova
24	Zealotry	Casts an aura that grants bonuses to damage and critical strike chance of spells to you and your allies, and gives a chance to create Consecrated Ground against stronger enemies.	Aura, Spell, AoE
24	Malevolence	Casts an aura that multiplies damage over time and increases skill effect duration of you and your allies.	Aura, Spell, AoE
1	Stormblast Mine	Throws a mine that deals damage in an area when detonated.	Mine, Spell, AoE, Lightning, Aura, Nova
16	Summon Skitterbots	Summon a Chilling Skitterbot and a Shocking Skitterbot, which will trigger your traps and detonate your mines. Mines detonated by Skitterbots will re-arm and can then be detonated again. The Skitterbots grant you more trap and mine damage, and cannot be targeted or damaged.	Trap, Mine, Spell, Minion, Cold, Lightning, AoE, Aura

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PoE Aura Support Gems

Requires Level	Aura Supports	Description	Tag
31	Arrogance Support	Supports any skill with a reservation.	Aura, Support
31	Generosity Support	Supports aura skills that affect you and allies, increasing the aura’s effect on allies, but preventing it from affecting you at all. Cannot support curse auras, or other auras that only affect enemies. Cannot support skills used by totems.	Support, Aura
72	Awakened Generosity Support	Supports aura skills that affect you and allies, increasing the aura’s effect on allies, but preventing it from affecting you at all. Cannot support curse auras, or other auras that only affect enemies. Cannot support skills used by totems.	Support, Aura
31	Blasphemy Support	Supports hex curse skills, turning them into auras that will apply their effect to all enemies in an area around you.	Support, Hex, Aura
31	High-Impact Mine Support	Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.	Mine, Support, AoE, Aura
72	Awakened Blasphemy Support	Supports hex curse skills, turning them into auras that will apply their effect to all enemies in an area around you.	Support, Hex, Aura

The following support gems can be also used to support auras.

• Spell Totem Support – 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.
• Increased Area of Effect Support – Further increases the Area of Effect of the Aura, but increases the Mana reservation by the gem’s multiplier.
• Concentrated Effect Support – Lessens area of effect and applies the mana cost mulitplier, but does not provide a bonus to aura damage, as auras cannot directly cause damage. An exception would be the aura from  Death’s Oath.
• Enlighten Support – Reduces the mana reserved of the aura by the amount of the mana multiplier.
• Empower Support – Adds levels to supported auras, but increases their cost by the mana multiplier.
• Enhance Support – Increases the quality of the gem, granting increased area of effect, but at increased mana cost.
• Note that  Inspiration Support does not affect reservation, but does affect auras supported by Spell Totem Support.

Why are all Guardian Ascendancy skills considered auras but not actually affected by aura radius and effectiveness?

They are Auras, and would be affected by increased Aura radius, and increased Effect of Auras.
However, you do not have those modifiers. They are not Aura Skills, nor are they Auras you Cast. Thus they can't be affected by increased radius of Aura Skills, or increased effect of non-Curse Auras you Cast.

How do player auras (e.g. Zealotry) interact with skills used by traps/mines? There appears to be a delay after a trap/mine triggers/detonates before the skill is fully 'affected' by the aura. This bug demonstrates the effect but how do trap/mine skills interact with player Auras to create this effect instead of just always being affected by the aura?

Traps and mines being affected by auras is a bug and will be fixed at some point. What's currently happening is that traps and mines are inherently hidden once armed, and effectively cease to exist for most purposes. Once they start to use their skill, they stop being hidden. Currently, this allows auras to start affecting the trap/mine object at that point, which should not happen. Auras take up to 250ms to start affecting a new object, so the aura currently starts affecting the trap or mine some point between one frame or 250ms after it starts using the skill.

What is Pride's base radius?

40, the same as most other aura skills.

Auras Reservation Efficiency

Replace "Reservation Reduction" with "Reservation Efficiency". When stacked, Reservation Efficiency does not allow for infinite Auras. This can be given out much more liberally as a result, letting characters run additional Reservation Effects with only a couple of sources of Reservation Efficiency. The average character benefits, but the top end of extreme reservation has been made significantly weaker.

Modifiers to Reservation have been replaced with Reservation Efficiency. Reservation Efficiency works by dividing the cost of the Reservation Effect: 100% increased Reservation Efficiency would halve the cost of all Auras. 50% Reservation Efficiency cuts down costs enough to let you reserve an additional 50% Reservation Aura.

Passives and item modifiers with reduced Reservation have been replaced with increased Mana Reservation Efficiency, generally at double the value of the previous reduced Reservation value, but sometimes with different values for balance reasons. This means that a small amount of Reservation investment is more impactful than before, while high investment doesn’t allow as many Auras to be used. The vast majority of Reservation Efficiency offered is now Mana-specific in order to prevent reserving both Life and Mana being the default choice for a build heavily invested in Reservation. Generic Reservation Efficiency and Life Reservation Efficiency are still available on some item modifiers.

If not mentioned below, all sources that previously provided reduced reservation, including for specific skills or types of skills, now provide increased mana reservation efficiency at twice the value of the reduced reservation they used to give. Modifiers on existing items are affected by these changes.

Aura Stacker & Cluster Jewels

Remove sources of Aura Effect from Cluster Jewels and move the Aura Cluster Jewels type to Small Cluster Jewels, so it is no longer possible to continuously stack Aura Effect for your party. Introduce a new Cluster Jewel Notable to increase the "Effect of your Auras on You" for builds that are building Auras for their own power.