Path of Exile 2: Olroth, Origin of the Fall - Pinnacle Boss Guide

How to Reach Olroth

Location: Olroth's tomb can only be excavated in level 80+ Expedition Logbook maps.

Getting the Logbook:

Find Expedition encounters on the Atlas of Worlds that drop Expedition Logbooks of the required level.

Alternatively, buy a suitable Logbook from the Path of Exile 2 trade website.

Process:

Take the Logbook to Dannig (an NPC who deciphers Logbooks).

Dannig reveals the location on your map - look for a skull icon indicating Olroth's tomb.

Use explosives at the tomb entrance to destroy it, revealing the entrance to the Kalguuran Tomb.

Venture inside to find and face Olroth.

How to Defeat Olroth

Key Characteristics

Health: Approximately 8 million HP (lowest among pinnacle bosses).

Damage Type: Primarily Cold damage with chilling and freezing effects.

Defenses: Heavy armor makes physical damage less effective without armor penetration.

Weaknesses: No particular elemental vulnerabilities, but not resistant to Fire, Lightning, or Chaos damage - ideal for elemental damage builds.

Preparation

Gear & Consumables:

Bring a Silver or Thawing Charm to remove chill/freezing debuffs.

Equip movement speed buffs to help counter chilling ground effects.

Movement: Dodge rolling is critical to evade Olroth's skewering melee attacks and avoid chilled ground.

Fight Phases

Phase 1

Olroth uses melee strikes combined with chilling attacks.

An artifact floats around the arena, casting supportive cold attacks and leaving chilled ground.

Position yourself opposite the artifact to give more time to react to its attacks.

Avoid standing in chilled ground patches to prevent freezing or being slowed.

Phase 2

When Olroth's HP drops to around 3 million after the initial 5 million damage, he revives with about 3 million HP.

The artifact becomes more aggressive: firing wider ice beams and covering large parts of the arena in frost.

Olroth will shout "Starfire!" as a warning - reposition immediately.

Continue avoiding frost patches and attacking Olroth with maximum DPS.

Best Strategies

Use high mobility to dodge attacks and reposition quickly.

Focus on elemental damage builds (Fire, Lightning, Chaos) for efficient damage against Olroth's armor.

Keep to the edges of the arena, away from the artifact and frost pools.

Use buffs and flasks to neutralize chill/freezing and keep movement speed high.

Maximize burst damage to minimize time spent in phase 2 and reduce exposure to frost hazards.

Rewards from Olroth

Randomized loot from the Expedition pool.

A Book of Knowledge for the Expedition passive tree, providing skill points and bonuses.

At least one high-tier item unique to Olroth or related to Kalguuran lore (specific unique Path of Exile 2 items may vary by patch).

Additional crafting materials or Path of Exile 2 currency can drop depending on your Magic Find and map modifiers.

If you want, I can also help you with a build recommendation tailored to fight Olroth efficiently or tips on how to get the best rewards from these encounters!