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PoE 2 Build

[0.5] Frostbolt COC Uber Endgame

Updated on Jul 13, 2026
Jul 13, 2026

Build Overview

All questions can be asked live on twitch.

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This will be a fully comprehensive guide on the Frostbolt / COC build. It can be played as Chrono, Djin, Stormweaver, Oracle, Witch and many more.

This Build definitely works on a Budget however it depends on what mechanics you want to farm. Minmaxing it will be expensive.

Strengths and Weaknesses

  • Insanely fun
  • Good AOE Clear
  • Fast
  • ICE SPELLS
  • Works on Budget
  • Squishy at start
  • Bigger setup on bosses
  • Expensive to min-max

Build Variants

Equipment

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2
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4
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1
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7
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6
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5
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3
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8
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9
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10
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Jewels
item
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Equipment Priority
+10

All questions can be asked live on twitch.

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We can equip a Focus while having a 2H Staff because of the Disciple of Varashta ascendancy node called Instruments of Power.

We need a REALLY good Time-Lost Sapphire so it can be further empowered by Disciple of Varashta ascendancy node called Baryanic Leylines.

On the Amulet we annoint Dominion which is a hidden node and it needs Contempot, Suffering, Isolation. The reason we go for Dominion is because we get Archon of the Storm, Energising Archon and Invigorating Archon.

Our SPIRIT comes from the Body Armour, Amulet and Helmet.

Mana Regeneration is also important to try get in case you have mana issues on either Body Armour or Helmet. You can also get some Mana efficiency on the Ring and ofcourse your helmet by equipping a Idol of Eeshta.

You can replace the Rare Gloves with Maligaro's Virtuosity which is really good and helps you out with the Crit, however after testing it, I dont prefer this option for Frostbolt.

Skill Gems

Support Gem Requirements:

Str 30

Dex 35

Int 105

1

Frostbolt

Level 20

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2

Frost Bomb

Level 20

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3

Frost Wall

Level 20

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4

Cast on Critical

Level 20

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5

Elemental Weakness

Level 20

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6

Blasphemy

Level 19

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7

Convalescence

Level 20

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8

Mana Remnants

Level 20

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9

Sigil of Power

Level 18

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Gem Priority
+39

All questions can be asked live on twitch.

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Frostbolt is our main ability, so we spam this for almost everything. We also use Frost Bomb as frequently as we possibly can because we are getting Fire Remnants through Elemental Equilibrium which empowers our Comet further.

Frost Wall is used for tougher rares and bosses into Frostbolt so it can break the icy walls and deal more damage.

Cast on Critical with Comet is our main damage source therefore we need as much Crit as we can so we can trigger the Coments as often as we can.

You can also go for Cast on Elemental Ailment with the same setup which will trigger them more often for mapping but slower on bosses. However, this will change your setup a bit as we dont really need the extra Crit for this to work however we need Freeze Buildup.

Passive Tree

main:
123
123
set 1:
20
20
set 2:
20
20

All questions can be asked live on twitch.

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JEWELS:

Mobalytics doesnt show the Controlled Metamorphosis choices we get. You want:
True Strike - For the Jugular - Conservative Casting & Kite Runner

The Time-Lost Sapphire has Very Large Radius but its increased by 60% through the Ascendancy Node Baryanic Leylines which helps us cover more area. Apart from this jewel we also use From Nothing with Conduit so we can get as many nodes within our Time-Lost Sapphire.

You want:
Brain Freeze - Brain Storm - Mental Alacrity - Energising Archon - Invigorating Archon - Tempered Mind - Chakra of Elements - Remnant Attraction - Dreamcatcher - Storm Driven - Utmost Offering - Ice Walls - Shattered Crystal

Every single node listen above can be taken without pathing to it and will be hit with the Time lost Jewel.

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ASCENDANCY:

We have tried with Chronomancer and it's not bad at all. Disciple of Varashta is a lot better due to the Radius of the Jewel, ability to equip a Focus and Tankiness.

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WEAPON SETS:

We will lock the same 2H Staff & Focus on both Weapon Sets and we will utilize the 24 points to deal the most damage while mapping but also utilize some spells for bosses.

On Weapon Set 1 (RED) we focus on Damage and Crit which will be applied for 90% of our spells, while Weapon Set 2 (GREEN) we focus on Exposure, Remnant Power & Curse Magnitude.

You want to have all spells on Weapon Set 1 and Elemental Weakness + Frost Bomb on Weapon set 2.

Atlas Tree

Jado
Trove Seekers
Eastern Knowledge
Partial Translations
Ancient Activations

Quest Rewards

Check which quests you’ve completed on your character
ClearfellBeira of the Rotten Pack
+10% to Cold Resistance
Hunting GroundsThe Crowbell
Grants Two Weapon Set Passive Skill Points
FreythornThe King in the Mists
+30 to Spirit
Ogham FarmlandsUna's Hut
Grants Two Weapon Set Passive Skill Points
Ogham ManorCandlemass, the Living Rite
+20 to maximum Life
KethKabala, Constrictor Queen
Grants Two Weapon Set Passive Skill Points
Valley of the TitansMedallion
30% increased Charm Effect Duration
+1 Charm Slot
DesharFinal Letter
Grants Two Weapon Set Passive Skill Points
The Spires of DesharSisters of Garukhan
+10% to Lightning Resistance
Jungle RuinsMighty Silverfist
Grants Two Weapon Set Passive Skill Points
The Venom CryptsVenom Draught
25% increased Stun Threshold
Jiquani's MachinariumBlackjaw, the Remnant
+10% to Fire Resistance
The Azak BogIgnagduk, the Bog Witch
+30 to Spirit
The Molten VaultThe Molten Vault
Reforging Bench
AggoratBlood Sacrifice
Grants Two Weapon Set Passive Skill Points
Journey's EndCaptain Hartlin
Two Weapon Set Passive Skill Points
Skill Gem(Lv 13)
Delirium Drop
Eye of HinekoraNavali's Rest
5% increased Maximum Mana
Halls of the DeadYama The White
Grants Two Weapon Set Passive Skill Points
Halls of the DeadTawhoa's Test
+5% to Lightning Resistance
Abandoned PrisonGoddess of Justice
30% increased Mana Recovery from Flasks
Halls of the DeadTasalio's Test
+5% to Cold Resistance
Halls of the DeadNgamahu's Test
+5% to Fire Resistance
Halls of the DeadTribal Medicine
30% increased Armour, Evasion and Energy Shield
WolvenholdOswin, the Dread Warden
Grants Two Weapon Set Passive Skill Points
The Khari CrossingAkthi and Anundr
Two Weapon Set Passive Skill Points
The Khari CrossingMolten Shrine
5% increased Maximum Life
QimahTabana's Pillar
12% increased Cooldown Recovery Rate
Kriar VillageLythara, the Wayward Spear
+40 to Spirit
Howling CavesThe Abominable Yeti
Grants Two Weapon Set Passive Skill Points

How it Plays

For mapping spam Frost Bomb and Frostbolt for mapping. If you encounter a tough rare or mini-boss use Frost Wall too.

For bossing utilize the whole kit: Sigil of Power > Elemental Weakness > Frost Bomb > Frost Wall > Frostbolt

Changelog

13th of July:

Fixed an issue with Ascendancy not showing.

25th of June:

Added the most Updated Variant

Added descriptions and explanation for all sections.

Video Guide

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