Path of Exile 2 (PoE 2)

Vessel of Kulemak Boss Guide

Path of Exile 2 (PoE 2) Walkthrough Team

Last updated on: September 18, 2025 12:14 AM

Vessel of Kulemak is an Atlas Abyss Boss in Path of Exile 2 (PoE 2). See the location, the drops or rewards, and tips on how to beat Vessel of Kulemak here.

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List of Contents

Location
How to Beat
Overview and Rewards
Related Guides

Vessel of Kulemak Location

Atlas - The Black Cathedral

You will find The Vessel of Kulemak in the Black Cathedral in Path of Exile 2. Access to the boss fight requires using an item called Kulemak's Invitation, which must be placed to enter the designated area.

How to Beat Vessel of Kulemak

Tips to Beat Vessel of Kulemak
Stay Mobile and Prepare for Boss Revivals Survive the Hazards Manage Your Flasks Return the Finger

Stay Mobile and Prepare for Boss Revivals

The Vessel revives multiple times, and each phase piles on new threats. Keep moving to dodge spikes, AoEs, and waves of minions. Standing still is a death sentence.

Each time the Vessel returns, it gains new buffs like faster attacks, extra spawns, or added damage types. Learn the modifier quickly and adjust your tactics on the fly.

Survive the Hazards

Ground effects and cold bursts are the Vessel's biggest killers. Overcap your frost resistance, and avoid lingering in dangerous zones where flasks will drain fast.

Manage Your Flasks

This fight drags on. Bring auto-charge or high-generation flasks so you don’t run dry halfway through. Time your flask use carefully to stay alive through the toughest phases.

Return the Finger

At the final stage, you’ll get the option to return the finger and end the Vessel permanently. Doing so unlocks the Abyssal Lich Ascendancy, a powerful new path for your character.

Abyssal Lich Ascendancy Overview and Skills

Vessel of Kulemak Overview and Rewards

Basic Info

Vessel of Kulemak
Location	Atlas The Black Cathedral
Resistances	・ Physical
Weaknesses	・ None
Damage Types	・ Fire ・ Cold ・ Physical
Debuffs	TBD

Rewards

・ Grip of Kulemak

Defeating Vessel of Kulemak grants these rewards, either as direct drops or as a quest completion bonus.

Path of Exile 2 (PoE 2) Related Guides

Path of Exile 2 - All Bosses Partial Banner
List of Bosses

All Boss Guides
All Pinnacle Bosses	All Spirit Bosses

All Act 1 Bosses

The Bloated Miller	The Devourer	Beira of the Rotten Pack
Areagne, Forgotten Witch	The Brambleghast	The Rust King
The Rotten Druid	Draven, the Eternal Praetor	Asinia, Praetor Consort
Lachlan of Endless Lament	The King in the Mists	The Crowbell
Vargir the Feral Mutt	The Executioner	Candlemass, the Living Rite
Count Geonor	-	-

All Act 2 Bosses

Rathbreaker	Rudja, Dread Engineer	Balbala, The Traitor
L'im the Impaler	Jamanra, the Risen King	Kabala, Constrictor Queen
Zalmarath, the Colossus	Tor Gul, the Defiler	Ekbab, Ancient Steed
The Ninth Treasure of Keth	Azarian, the Forsaken Son	Watchful Twins
Jamanra, the Abomination	Sisters of Garukhan	-

All Act 3 Bosses

Rootdredge	Mighty Silverfist	Blackjaw, the Remnant
Xyclucian, the Chimera	Zicoatl, Warden of the Core	Ignagduk, the Bog Witch
Mektul, the Forgemaster	Queen of Filth	Ketzuli, High Priest of the Sun
Viper Napuatzi	Doryani	-

All Interlude Bosses

Akthl and Anundr	Isolde and Heldra	Siora, Blade of the Mists
Sigbert and Godwin	Oswin, the Dread Warden	Thane Wulfric and Lady Elswyth
Vornas, the Fell Flame	Lythara, the Wayward Spear	Rakkar, the Frozen Talon
The Abominable Yeti	Stormgore, the Guardian	Zolin and Zelina

Abyss Bosses

Tasgul, Swallower of Light

Vandroth, Blackblooded Enslaver

Vessel of Kulemak

Trial Bosses

Bahlak, the Sky Seer	Uxmal, the Beastlord	Chetza, the Feathered Plague
Rattlecage, the Earthbreaker	Terracota Sentinels	Ashar, the Sand Mother

Pinnacle Bosses

Zarokh, the Temporal	Xesht, We That Are One	The Arbiter of Ash
The Trialmaster	Kosis, the Revelation	Omniphobia, Fear Manifest

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Path of Exile 2 (PoE 2) Walkthrough & Guides Wiki

Quick Access

Vessel of Kulemak Boss Guide

Vessel of Kulemak Location

Atlas - The Black Cathedral

How to Beat Vessel of Kulemak

Stay Mobile and Prepare for Boss Revivals

Survive the Hazards

Manage Your Flasks

Return the Finger

Vessel of Kulemak Overview and Rewards

Basic Info

Rewards

Path of Exile 2 (PoE 2) Related Guides

All Act 1 Bosses

All Act 2 Bosses

All Act 3 Bosses