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PoE 2 Build

Curse Caster Bloodmage

presentationWitch
presentationBlood Mage
End Game
0.5 RotA
Creator
By Definitiv
Updated on Jun 12, 2026
Jun 12, 2026

Build Overview

Cast on Critical Comet Blood Mage is one of the strongest Spellcaster Variants. This build takes that old and proven Cast on Crit Setup and puts it into a new Shell for a fresh and fun gameplay loop.

Utilizing several niche Item and Skill Interactions to create a simple, yet extremely powerful Build.

Capable of one-shotting entire screens of enemies and melting bosses in seconds.

Even the major Pinnacle Bosses of the Endgame cannot withstand the sheer onslaught of Comets and Toads. Toads?!? Yep, Toads, and oh boy do they pack a punch!

0.5 Return of the Ancients brought us several new toys for curse casting and also reworked one of the existing Ones. Turning it into the most unique Lineage Gem the game has. With its own secret broken interaction that I have seen nobody else use.

What sets this Variant of CoC Blood Mage aside from others is the utilization of Curses.

This Caster is built around the new Liminal Coil and its innate Skill Coiling Bolts.

Liminal Coil sets Curse Effect to 0, but grants Damage as Extra Physical and Chaos for each Curse on the target. With 6 Curses, this Wand is only slightly weaker than Mirror Tier Wands for a Fraction of the Cost. It also comes with Coiling Bolts a new Spell that can clear an entire Screen of Enemies while costing 0 Mana.

For Single Target, this Variant utilizes Doedre's Undoing on top of the classic Cast on Critical Comet setup, for additional Damage. Doedre's Undoing turns the Supported Curse into Cursed Ground that summons Toads, which will seek out Enemies and Trigger it's own Active Skill, dealing massive Chaos Damage in an area around the Target.

The Blood Mage Ascendancy is perfect for the Playstyle, more than doubling the Critical Hit chance of Coiling Bolts and Doedre's Undoing, as well as granting access to Life Leech and Life Recovery with Life Remnants. And also adding a good amount of Survivability with Grasping Wounds and Crimson Power.

This Build also utilizes the established Setup of Eldritch Battery + Mind Over Matter + Lifetap to invert the Roles of Life and Mana. Using Life as the Caster Resource and Mana as a Defensive Layer.

It then somewhat Double Dips on the resources with a cultivated Rathpith Globe. Replacing the cost an additional 6% of maximum Life Line with 6% increased Spell Damage per 100 Maximum Mana.

Altogether, this Build combines the old proven Cast on Crit Comet Core with the new Curse Toys for a smooth and fun Gameplay Experience.

Strengths and Weaknesses

  • Satisfying Screenwide Clear
  • 0 Mana Issues
  • 1 Button Clear
  • Simple Boss Rotation
  • Tanky
  • Somewhat Expensive to start
  • Very Expensive to Min Max

Build Variants

The refined Cast on Critical Comet Variant

More Expensive than the OnlyCurse Variant but packs a lot bigger Punch

Equipment

item
2
item
5
item
1
item
8
item
7
item
5
item
4
item
9
item
10
item
11
item
item
item
item
item
Jewels
item
item
item
item
item
Equipment Priority
+11

See Gear Notes for more Details!

Liminal Coil, cultivated Rathpith Globe and Absent Amulet with Cast on Critical are required for this Build to function.

Overall, you need 120 Spirit from Gear split between Body, Amulet, and Boots.

Budget Alternative for the Spirit is a Alpha's Howl + Boots.

Mageblood isn't required, but reduces Resistance Pressure on other Gear and allows for more Rarity on the Build if desired.

Skill Gems

Support Gem Requirements:

Str 40

Dex 25

Int 75

1

Coiling Bolts

Level 20

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2

Elemental Weakness

Level 20

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3

Cast on Critical

Level 20

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4

Life Remnants

Level 20

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5

Sigil of Power

Level 18

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6

Blasphemy

Level 19

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7

Mana Remnants

Level 19

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8

Vulnerability

Level 19

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9

Powered by Verisium

Level 18

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Gem Priority
+35

Coiling Bolts

Embitter enables Mana Remnants

If you don't have enough Cast Speed, drop Considered Casting for Rapid Casting II on Coiling Bolts

Ricochet II grants Coiling Bolts a 50% chance to chain of any Wall. When this happens, all Chain Targets reset and Coiling Bolts can hit each Enemy again. This is mainly good for single-target damage, but can help with Clear during Encounters with lots of Rares too.

Other Skill Notes

Use Elemental Weakness for Doedre's Undoing cause we use Endless Blizzard for +1 Level to Comet and it also affects Ele. Weakness and as a result Doedre's Undoing.

Overabundance II in Elemental Weakness increases the Limit of Doedre's Undoing twice!

  1. It increases the Limit of Cursed Grounds from 2 -> 3
  2. It increases the maximum Amount of Toads per Cursed ground from 4 -> 5

This results in more Pre-stacked Toads and more Toads per Second for more Triggers per Second.

Doedre's Undoing cannot generate Energy for Cast on CriticalTriggers

Use Atalui's Bloodletting for Comet and Lifetap on Elemental Weakness and Vulnerability

Corrupt the Curses in Blasphemy for +1 for slightly more Curse AoE, no need to quality them as we don't have any Curse Effect with Liminal Coil.

Quality and Corrupt Comet. Vorana's Siege and Ixchel's Torment increase the AoE of Comet, replacing the need for Spell Cascade. One Comet has way bigger AoE now and we get more Damage on top.

Quality Liminal Coil with Arcanist's Etcher for +2 Split for both Projectiles each!

And also Quality Blasphemy, Mana Remnants and Vulnerability

Weapon Sets

Coiling Bolts and Despair in Weapon Set 1

Sigil of Power and Vulnerability in Weapon Set 2

Blasphemy only active in WS 1! This Way Vulnerability applies its Curse Effect, and you still benefit from the 60% Damage as Extra.

Spirit Reservation

To reserve all Curses in Blasphemy + Mana Remnants, you require 215 Spirit, 20% Quality on Blasphemy and Efficient Inscriptions

Spirit Sources

  • 100 Base
  • up to 60 from Body
  • up to 50 from Amulet
  • up to 15 from Boots

Total possible Spirit 225, leaving 10 Spirit for Roll Variance Wiggle Room.

Passive Tree

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

Ascendancy

  1. Sanguimancy (Free)
  2. Grasping Wounds
    1. Huge Surv Boost, just in case something gets through our Mana
  4. Crimson Power
    1. Huge Flat Life Gain for Surv & Damage (Rathpith Globe)
  6. Vitality Siphon
    1. Big Surv Boost and 'Mana' Sustain, as our Curses cost Life to use
  8. Sunder the Flesh
    1. more than doubling our Crit Chance!

Passive Tree Notes

We use Eldritch Battery + Mind Over Matter to convert our Energy Shield into Mana and use it as Survivability.

We use Life as our Casting Resource instead, as we can more easily sustain it via Vitality Siphon and Life Remnants

%Energy Shield does NOTHING for the Build.

Use Weapon Set 2 Points for Curse Magnitude, Skill Effect Duration, and Cooldown Recovery. We only use WS 2 for Sigil of Power and Vulnerability

Use Weapon Set 1 for Crit and Damage Nodes with no Attribute gain.

Jewels

Prism of Belief (+2-3 Level of Elemental Weakness)

Heart of the Well with any combination of Damage as Extra, Crit Chance, and Crit Multi

Rare Sapphire or Diamond with

  • Critical Hit Chance (any or Spell)
  • Curse AoE
  • and any other good Mods like
    • Cast Speed
    • Skill Speed
    • Critical Damage Bonus
    • Spell or Chaos Damage

Quest Rewards

Check which quests you’ve completed on your character
Clearfell — Beira of the Rotten Pack
+10% to Cold Resistance
Hunting Grounds — The Crowbell
Grants Two Weapon Set Passive Skill Points
Freythorn — The King in the Mists
+30 to Spirit
Ogham Farmlands — Una's Hut
Grants Two Weapon Set Passive Skill Points
Ogham Manor — Candlemass, the Living Rite
+20 to maximum Life
Keth — Kabala, Constrictor Queen
Grants Two Weapon Set Passive Skill Points
Valley of the Titans — Medallion
30% increased Charm Charges gained
+1 Charm Slot
Deshar — Final Letter
Grants Two Weapon Set Passive Skill Points
The Spires of Deshar — Sisters of Garukhan
+10% to Lightning Resistance
Jungle Ruins — Mighty Silverfist
Grants Two Weapon Set Passive Skill Points
The Venom Crypts — Venom Draught
25% increased Stun Threshold
Jiquani's Machinarium — Blackjaw, the Remnant
+10% to Fire Resistance
The Azak Bog — Ignagduk, the Bog Witch
+30 to Spirit
The Molten Vault — The Molten Vault
Reforging Bench
Aggorat — Blood Sacrifice
Grants Two Weapon Set Passive Skill Points
Journey's End — Captain Hartlin
Two Weapon Set Passive Skill Points
Skill Gem(Lv 13)
Delirium Drop
Eye of Hinekora — Navali's Rest
5% increased Maximum Mana
Halls of the Dead — Yama The White
Grants Two Weapon Set Passive Skill Points
Halls of the Dead — Tawhoa's Test
+5% to Lightning Resistance
Abandoned Prison — Goddess of Justice
30% increased Life Recovery from Flasks
Halls of the Dead — Tasalio's Test
+5% to Cold Resistance
Halls of the Dead — Ngamahu's Test
+5% to Fire Resistance
Halls of the Dead — Tribal Medicine
15% of Armour also applies to Elemental Damage
+12% of Evasion Rating is added as Deflection Rating
12% faster start of Energy Shield Recharge
Wolvenhold — Oswin, the Dread Warden
Grants Two Weapon Set Passive Skill Points
The Khari Crossing — Akthi and Anundr
Two Weapon Set Passive Skill Points
The Khari Crossing — Molten Shrine
5% increased Maximum Life
Qimah — Tabana's Pillar
+5% to all Elemental Resistances
Kriar Village — Lythara, the Wayward Spear
+40 to Spirit
Howling Caves — The Abominable Yeti
Grants Two Weapon Set Passive Skill Points

How it Plays

Walk up to Enemies & use Coiling Bolts to clear the Screen

Anything Tanky use Coiling Bolts 1-2 additional Times

On Bosses, pre-cast Sigil of Power and 3x Despair/ Elemental Weakness beneath the Boss, then Vulnerability once targetable.

Spam Coiling Bolts on Boss to kill.

Changelog

06.06 | WiP first iteration

09.06 | CoC Variant and refining OnlyCurseVariant

Video Guide

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Path of Building Code

Table of Contents

1. Build Overview2. Strengths and Weaknesses3. Build Variants4. Equipment5. Skill Gems6. Passive Tree7. Quest Rewards8. How it Plays9. Changelog

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