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Path of Exile 2 (PoE 2)

The Arbiter of Ash Boss Guide

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Path of Exile 2 - The Arbiter of Ash

The Arbiter of Ash is a Pinnacle Boss in Path of Exile 2 (PoE 2). See the location, the drops or rewards, and tips on how to beat The Arbiter of Ash here.

The Arbiter of Ash Location

Use the Crisis Fragments at the Burning Monolith's Sealed Passageway

Path of Exile 2 - The Arbiter of Ash Location

To face the Arbiter of Ash, you must use three different Crisis Fragments at the Sealed Passageway in the Burning Monolith. This will unlock the entrance to the pinnacle boss fight.

Obtain Crisis Fragments at the Atlas Citadels

Crisis Fragments and Locations
Path of Exile 2 - Ancient Crisis Fragment Ancient Crisis Fragment
(Iron Citadel)
Path of Exile 2 - Weathered Crisis Fragment Weathered Crisis Fragment
(Copper Citadel)
Path of Exile 2 - Faded Crisis Fragment Faded Crisis Fragment
(Stone Citadel)

Crisis Fragments are obtained by defeating the bosses found in the Citadels that randomly spawn in the Atlas. The Ancient Crisis Fragment can be acquired from the Iron Citadel, the Weathered Crisis Fragment from the Copper Citadel, and the Faded Crisis Fragment from the Stone Citadel.

Waystone Drop Chance Increases the Odds for More Crisis Fragments

Increases in “Waystone Drop Chance” improves the the number of Crisis Fragments that drop after defeating a Citadel boss. While each boss guarantees one fragment, this stat, available from the Waystone you use or the Atlas Passive Tree, raises the odds of extra Crisis Fragment drops. However, using Waystones with higher drop chances may come with more challenging map modifiers, so plan accordingly.

How to Beat The Arbiter of Ash

Stay Inside the Flame Bombs to Avoid a One-Shot Death

Path of Exile - Stay Inside the Flame Bombs.png

The Arbiter of Ash deploys flame bombs throughout the fight, creating a constant hazard that can instantly kill most characters. The only safe area is the small zone directly beneath each bomb. Position yourself carefully to remain inside these zones when the bombs detonate.

On the Second Phase, Wait for the Laser and the Dive Bomb First

During the second phase, the flame bomb mechanic becomes more complex. For the first bomb in this phase, a laser beam sweeps through the safe zone just before the bomb explodes. It is crucial to wait for the laser to end before moving under the bomb.

For the second bomb, the Arbiter of Ash performs a dive bomb attack aimed at the center of the flame bomb's safe spot. Wait for this dive bomb to finish before stepping into the safe area then immediately dodge away to avoid the vertical slash follow up with a vertical slash.

The Arbiter of Ash Rewards

First Time Clear Rewards

・Arbiter’s Book of Knowledge

The first time you defeat The Arbiter of Ash at each difficulty tier, they will drop an Arbiter’s Book of Knowledge, which grants two Arbiter Atlas Passive Points when used.

Exclusive Unique Drops

Unique Drops
POE 2 - Ab Aeterno Grand CuissesAb Aeterno Grand Cuisses POE  2 - Morior Invictus Grand RegaliaMorior Invictus Grand Regalia
POE 2 - Sine Aequo Grand ManchettesSine Aequo Grand Manchettes POE 2 - Sacred Flame Shrine SceptreSacred Flame Shrine Sceptre
POE 2 - Solus Ipse Grand VisageSolus Ipse Grand Visage POE 2 - Prism of Belief DiamondPrism of Belief Diamond

The Arbiter of Ash drops one of several Unique Items upon defeat. Some of these Uniques have lower drop rates than others. However, increasing the difficulty affects the drop chances to make the rarer Uniques more likely to drop.

List of Unique Equipment

The Arbiter of Ash Overview

Basic Info

Path of Exile 2 - The Arbiter of Ash Atlas Boss
Location Atlas
The Burning Monolith
Resistances ・ Physical
・ Fire
・ Cold
・ Lightning
Weaknesses ・ None
Damage Types ・ Physical
・ Fire
Debuffs ・ Ignite
・ Chill
・ Burning Ground

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 -

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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