Purity of Ice PoE Gem, Aura Skill Gem, Support Gems, Farming

Purity of Ice is an aura that grants cold resistance and maximum cold resistance to the caster and nearby allies.

Purity of Ice Aura Gem Level Progression

Mana Reserved: 35%.

Purity of Ice Max Resist

• Level 20: +4% max resistance.
• Level 23: +5% max resistance.

Increased Aura Effect

Both the additional cold resistance and additional maximum cold resistance are affected by increased aura effect. The following x% increase in aura effect are needed to receive a higher amount of max resistances.

The passive tree can provide 69% aura effect which requires heavy point investment though. The Champion Duelist class can have an additional 20% effect, the Guardian Templar class can have an additional 10% effect, and the Necromancer Witch class an additional 5%.  Conqueror’s Potency can provide another 3% effect. Through the use of  Victario’s Influence with its lvl 30  Generosity Support and up to 15% increased effect mod, an additional 64% increased aura effect can be obtained. However, supported auras will not affect you.
If the player equips a  Dying Breath, an additional 18% effect can be achieved at the cost of a shield (such as  Prism Guardian) and weapon (such as  Advancing Fortress or  Ephemeral Edge). Additionally, the player can equip The Jinxed Juju amulet for up to an additional 15% increased effect. 
The table below shows the highest aura effect each ascendancy can achieve.

Purity of Ice Quality

Per 1% Quality: 2% increased Area of Effect. A Gemcutter’s Prism (often abbreviated GCP) is a currency item that can be used to improve the quality of a gem. Each Gemcutter’s Prism will always raise the quality by 1%. The maximum quality is 20%.

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Purity of Ice Support Gems Build

These support gems will affect Purity of Fire auras:

• Blood Magic Support – This will cause linked auras to reserve health instead of mana, but increase the cost by the mana multiplier. Note that “reduced mana cost” from increases in quality have no effect on mana reservation.
• 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.
• Generosity Support – Increases the effect of the non-curse auras on allies (including minions) but prevents them from affecting the player.
• 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.

PoE Purity of Ice Aura Gem Farming

1. Direct purchase from vendor

• Siosa(The Library, Act 3) sells Purity of Ice for an Orb of Alteration.
• Lilly Roth(Lioneye’s Watch, Act 6) sells Purity of Ice for an Orb of Alteration as well.

2. Purity of Ice Gem Divination Cards

Amount	Divination Card	Result	Drop Areas
6	The Fox	random level 20 gem	The Western Forest (Act 2) • The Riverways (Act 6) • The Vaal City • The Crossroads (Act 7) • The Fellshrine Ruins (Act 7) • Barrows Map • Castle Ruins Map • Sunken City Map
13	The Cataclysm	random corrupted level 21 Spell gem	Strange Sinkhole • Concealed Cavity • Sunken Shingle • Clouded Ridge • Forgotten Oubliette • Remote Gulch • Cremated Archives • Narrow Ravine• Mystical Clearing • Covered-up Hollow • Hidden Patch • Entombed Alcove • Secret Laboratory • Secluded Copse • Forbidden Chamber • Quarantined Quarters • Inner Grounds • Sealed Corridors • Restricted Gallery • Disused Furnace •  Blind Alley • Entombed Chamber • Sacred Chambers • Stagnant Canal • Walled-off Ducts • Neglected Cellar • Arcane Chambers • Forgotten Conduit • Ancient Catacomb • Haunted Mineshaft• Abandoned Dam • Desolate Track • Reclaimed Barracks • Sealed Basement • Secluded Canal • Forbidden Archives • Cremated Archives • Twisted Inquisitorium • Deathly Chambers • Restricted Collection • Side Chapel • Radiant Pools • Clouded Ledge • Flooded Complex • Forbidden Shrine • Sealed Repository • Evacuated Quarter • Concealed Caldarium • Moonlit Chambers • Shifting Sands • Forgotten Gulch • Desolate Isle • Dusty Bluff
3	Gemcutter’s Promise	random superior gem (Q20)	The Ebony Barracks • The Lunaris Concourse • Colonnade Map • Promenade Map

3. Buy Purity of Ice Spell Gem from Other Players

You can exchange an Orb of Fusing for a Purity of Fire spell gem with other players.

4. Quest Reward

For Shadow, Ranger, Deulist and Scion players, it can be obtained by completing Lost in Love(Act 3) quest.

5. Slain Monsters

The drop level of Purity of Ice is 24. You can get it by killing enemies, opening Gemcutter’s Strongbox.