Patch Notes

Path of Exile 2 0.5.4 — Runes of Aldur, Bosses, Items and Build Impact

A player-impact breakdown of 0.5.4: Expedition Atlas, Liquid Verisium, Orb of Sacrifice, level-scaling Unique skills, Pinnacle Boss changes, and the 0.5.4b/0.5.4e follow-ups.

Path of Exile 2 Early Access 0.5.4Updated 2026-08-01
A storm-darkened ruined city representing the 0.5.4 Runes of Aldur update
On this page
  1. Player impact in 30 seconds
  2. Patch Family timeline: 0.5.4 to 0.5.4e
  3. Impact dashboard
  4. Official changes, reorganised by player problem
  5. Expedition: four things to re-check
  6. Boss pages must separate 0.5.4 from 0.5.4b
  7. New items and rule changes
  8. Affected content queue
  9. Community evidence
  10. Video and timestamps
  11. Direct answers
  12. Known issues
  13. Sources and verification
  14. Changelog

OVERVIEW

Player impact in 30 seconds

0.5.4 introduced the runes of aldur expedition atlas passive tree liquid verisium four orb of sacrifice currencies level scaling unique granted skills the master s reach and a batch of pinnacle boss adjustments

The pages that need a re check are not all uniques but specifically the items that grant skills directly the builds that depend on those skills and the pinnacle boss pages touched by 0.5.4 and 0.5.4b

0.5.4b 0.5.4d and 0.5.4e then fixed boss readability migration oath rune and shader issues any guide that cites a boss or expedition behaviour must state which version it was verified against

PATCH FAMILY

Patch Family timeline: 0.5.4 to 0.5.4e

  1. 0.5.42026-06-25Major Patch

    Runes of Aldur, Expedition Atlas Passive Tree, Liquid Verisium, Orb of Sacrifice, level-scaling Unique skills and Pinnacle Boss changes.

    atlasitemsbossesskills
  2. 0.5.4 Hotfix 1-22026-06-29Hotfix

    Merchant Stash item loss, Liquid Verisium stack purchase, and several Expedition Atlas behaviour fixes.

    itemstradeatlas
  3. 0.5.4b2026-07-02Balance & Fix

    Boss readability pass (Arbiter, Vessel of Kulemak), Expedition invisible/invincible/out-of-bounds and underground fixes.

    bossesexpeditionendgame
  4. 0.5.4d2026-07-25Migration Patch

    Migrate All now moves Ritual Offered Tribute and Breach League resources and tree unlocks.

    migrationssfprivate-league
  5. 0.5.4d Hotfix2026-07-29Hotfix

    Fixed Oath Rune sometimes spawning an invincible monster. Must be recorded separately from the 0.5.4d migration notes.

    expeditionoath-runefix
  6. 0.5.4e2026-07-31Technical Patch

    Shader loading improvements, disabled Steam Vulkan Fossilize layer, and default VSync changed to Capped.

    shadersvulkanperformance

IMPACT DASHBOARD

Impact dashboard

Atlas / Expedition

Re-learn your route

A new Expedition Atlas Passive Tree plus reworked Grand Expedition and Remnant behaviour. This affects Atlas routing and farming Guides, not every Campaign Expedition.

Builds / Skills

Re-check some leveling routes

Equipment-granted skills now scale by requirement tier. Builds that depend on those Uniques are the most exposed; ordinary Ice Shot / ED Builds are not.

Bosses

Multiple Pinnacle pages update

Arbiter, Vessel of Kulemak and others were adjusted across 0.5.4 and 0.5.4b. Old phase or window descriptions may be stale.

Items

New currencies and a Unique

Liquid Verisium, four Orb of Sacrifice variants and The Master's Reach enter the content library and need their own pages.

CHANGE EXPLORER

Official changes, reorganised by player problem

New

Expedition Atlas Passive Tree

Granted by the Grand Expedition questline Boss. It affects Atlas routes, unlock Guides and farming content, not all Campaign Expeditions.

Official factofficial-fact: affects 3 Guide pages
New

Liquid Verisium and Orb of Sacrifice

Liquid Verisium starts a Remnant Encounter with a random Runic Inscription. Orb of Sacrifice upgrades a corrupted enchant and sacrifices a random explicit modifier.

Official factofficial-fact: affects 6 Item/Boss pages
Buff

Pinnacle Boss resistances and danger windows

0.5.4 lowered some Boss resistances; 0.5.4b further improved Arbiter and Vessel of Kulemak telegraphs and windows.

patch-family: affects 5 Boss pages
QoL

Currency / Fragment stack totals

Hold Alt to see the combined total across Inventory and Trade Window. A UI behaviour update, not a mechanical change.

Official factofficial-fact: affects 1 Guide page
Fix

Runes, Atlas Passive and Expedition bug fixes

Several issues were fixed again in 0.5.4b and the d Hotfix, so related Guides cannot be marked against 0.5.4 alone.

multi-version: requires re-test

BEFORE AFTER

Expedition: four things to re-check

Old content riskRoutes written only for 0.5.0 or 0.5.4 day-one may miss the new Atlas, Boss health corrections, underground fixes and the Hotfix chain.
Current content requirementState the specific conclusion's version (0.5.4, 0.5.4b or a later Hotfix) directly in the body, and link the Expedition Guide status.

BOSS IMPACT

Boss pages must separate 0.5.4 from 0.5.4b

Arbiter of Ash

0.5.4 adjusted Sphere buffs; 0.5.4b extended Flame Seed reaction time and added earlier voice cues.

Re-cut video timestamps and attack table

Arbiter of Divinity

Orb of Divinity visual timing improved; later fixes addressed loot position, exit and phase cues.

Update attack table

Vessel of Kulemak

Burning Ground adjusted, then final-phase summon, portal visuals and attack windows changed again.

Re-verify phase descriptions

ITEM IMPACT

New items and rule changes

New Currency

Liquid Verisium

Immediately starts a Remnant Encounter with a random Runic Inscription. Acquisition and use depend on Expedition Atlas conditions.

item-pageguide-pageatlas-dependency

Currency Family

Orb of Sacrifice (x4)

Drops from Atziri's Temple; upgrades the corrupted enchant of a matching item type while removing a random explicit modifier.

item-familyatziririsk-checklist

Rule Change

Skill-granting Uniques

Equipment-granted skills use the lowest skill level the character currently meets, then scale up to the stated cap as requirements are satisfied.

build-impactskill-levelleveling

New Unique

The Master's Reach

New Unique from a fully Empowered Vessel of Kulemak. Build adoption needs a separate Item and Build verification.

uniqueboss-dropbuild-usage

AFFECTED CONTENT

Affected content queue

6 affected2 updated2 reviewing2 queued
ContentTypeTriggerActionStatus
Arbiter of Ash GuideBoss0.5.4 + 0.5.4bPhases, voice cues, videoReviewing
Orb of Sacrifice GuideItem0.5.4Goals and risk matrixReviewing
Liquid VerisiumItem0.5.4 + HotfixStack purchase and useQueued
Whirling AssaultBuildRunic Meridians fixRune count and configQueued
Count Geonor GuideBossNo direct changePatch badge onlyReady
Patch 0.5 Series TimelinePatch0.5.4eAdd latest nodeReady

COMMUNITY EVIDENCE

Community evidence

Reddit - 0.5.4e Shader threadPerformance feedback summary
Shader count dropped noticeably, but results still vary by hardware.
The body must split by renderer, platform and first-vs-repeat run; it cannot say '0.5.4e fully fixed stutter'.
Official Forum - 0.5.4dPlayer open question
Can Oath Rune still spawn an impossible encounter?
The Hotfix page must show the problem-to-fix chain, not just quote the two 0.5.4d migration lines.

VIDEO

Video and timestamps

Official Path of Exile 2

0.5.4 Runes of Aldur overview

Official 0.5.4 reveal walkthrough of Runes of Aldur, Expedition Atlas and new items.

What to watch for: Watch the Expedition Atlas and Liquid Verisium segment before planning routes.

Open source

QUESTIONS

Direct answers

Can I keep using my old Build?

Most builds that do not depend on equipment granted skills runic meridians or a specific new unique do not need a full rebuild because of 0.5.4

Check the build page patch status then search whether your skill unique or ascendancy appears in the impact table

When there is no direct entry only the patch badge changes do not invent a fake change

Why is the first load slower after 0.5.4e?

Officially shaders are recompiled so the first time you enter an area can be slower than later

Judge the effect by separating first entry from repeat entry

KNOWN ISSUES

Known issues

  • OpenSome players still report crashes or scene-specific stutter after 0.5.4e; not yet confirmed as fully resolved.
  • TrackingOath Rune invincible-monster reports tracked to the 0.5.4d Hotfix.
  • FixedLiquid Verisium single-stack purchase returning one item is a confirmed Hotfix fix.

SOURCES

Sources and verification

Path of Exile 2 official 0.5.4 Patch Notes

Official source for the 0.5.4 baseline changes, names and values.

Path of Exile 2 official 0.5.4b Patch Notes

Official source for Boss readability and Expedition fixes.

Path of Exile 2 official 0.5.4e Patch Notes

Official source for Shader, Vulkan and VSync changes.

CHANGELOG

Changelog

    • Rebuilt as the representative rich patch article with timeline impact dashboard change explorer affected content queue community evidence and video timestamps
    • Added 0.5.4e shader vulkan and vsync changes to the follow up chain
    • Published the 0.5.4 baseline overview

Information is compiled from public web sources and in-game observations; some visuals are original editorial diagrams. External information and images remain the property of their authors or platforms; contact us for removal requests.