TheWoWDBThe Nighthold
Star Augur Etraeus Guide
Star Augur Etraeus in The Nighthold, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Star Augur Etraeus fights within a stellar observatory of his own construction.
- At 90%, 60%, and 30% health remaining, he will activate his observation deck to project the raid through the nether overlooking different worlds, siphoning the energies of those worlds to empower his abilities in different ways.
- Stages named in the Adventure Guide: Stage One: The Dome of Observation, Stage Two: Absolute Zero, Stage Three: A Shattered World, Stage Four: Inevitable Fate.
- Tanks: Huddle together with clumps of players to remove Absolute Zero, avoiding players with Chilled.
- Healers: Players affected by Coronal Ejection suffer heavy damage over time.
- Damage dealers: Move away from other players when afflicted by Icy Ejection to avoid damaging them with Shatter.
Overview
Adventure Guide says
Star Augur Etraeus fights within a stellar observatory of his own construction. At 90%, 60%, and 30% health remaining, he will activate his observation deck to project the raid through the nether overlooking different worlds, siphoning the energies of those worlds to empower his abilities in different ways.
- Huddle together with clumps of players to remove Absolute Zero, avoiding players with Chilled.
- Use Fel Impact to clear pools of Felflame.
- If a Thing Which Should Not Be is too close to Etraeus, they will both gain Void Shift.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
- Players affected by Coronal Ejection suffer heavy damage over time.
- Fel Nova and Witness the Void deal heavy raid damage.
- Voidburst deals increasing damage over time.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
- Move away from other players when afflicted by Icy Ejection to avoid damaging them with Shatter.
- Avoid placing Felflame on other players when afflicted by Fel Ejection.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
Encounter phases
Adventure Guide says
- Stage One: The Dome of Observation
- Stage Two: Absolute Zero
- Stage Three: A Shattered World
- Stage Four: Inevitable Fate
Tank mechanics
Adventure Guide says
- Huddle together with clumps of players to remove Absolute Zero, avoiding players with Chilled.
- Use Fel Impact to clear pools of Felflame.
- If a Thing Which Should Not Be is too close to Etraeus, they will both gain Void Shift.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
Healer mechanics
Adventure Guide says
- Players affected by Coronal Ejection suffer heavy damage over time.
- Fel Nova and Witness the Void deal heavy raid damage.
- Voidburst deals increasing damage over time.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
DPS mechanics
Adventure Guide says
- Move away from other players when afflicted by Icy Ejection to avoid damaging them with Shatter.
- Avoid placing Felflame on other players when afflicted by Fel Ejection.
- Turn away from Things Which Should Not Be when they cast Witness the Void.
Normal, Heroic, and Mythic
Adventure Guide says
Only sentences the Adventure Guide itself marks as a difficulty change. We do not invent extra Heroic or Mythic strategy.
- On Mythic Difficulty, whenever a player shatters, they create an Ice Crystal which periodically causes a Frigid Pulse.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Grand Conjunction | ||
 Grand Trine | ||
 Starburst | ||
 Coronal Ejection | ||
 Iceburst | ||
 Gravitational Pull | ||
 Comet Impact | ||
 Icy Ejection | ||
| Shatter | On Mythic Difficulty, whenever a player shatters, they create an Ice Crystal which periodically causes a Frigid Pulse. | |
 Frigid Nova | ||
 Felburst | ||
 Fel Impact | ||
 Fel Ejection | ||
 Felflame | ||
 Fel Nova | ||
 Fel Ember | ||
 Voidburst | ||
 Void Impact | ||
 Void Ejection | ||
 Void Eruption | ||
 Void Nova | ||
 World-Devouring Force | ||
 Devouring Remnant |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Astromancer's Greatcloak
Brooch of the Astral Scryer
Clutch of Azj'Aqir
Doomblade Gauntlets
Dreadwyrm Gauntlets
Eagletalon Gauntlets
Etraeus' Celestial Map
Gauntlets of Shackled Elements
Gauntlets of the Highlord
Gauntlets of the Obsidian Aspect
Glistening Meteorite Shard
Gloves of Enveloped Dissonance
Gloves of Everburning Knowledge
Gloves of Second Sight
Gloves of the Astral Warden
Mantle of the Torn Sky
Purifier's Gloves
Sabatons of Unchanging Fate
Star GateSundered Comet
Tempest of the Heavens
Treads of Galactic OdysseyMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Mounts
Felblaze Infernal · Hellfire Infernal
Item sets and transmog
Battleplate of the Highlord · Doomblade Battlegear · Dreadwyrm Battleplate · Eagletalon Battlegear · Garb of the Astral Warden · Legacy of Azj'Aqir · Regalia of Everburning Knowledge · Regalia of Shackled Elements
Achievements
Heroic: The Nighthold · Mythic: Chronomatic Anomaly · Mythic: Grand Magistrix Elisande · Mythic: Gul'dan · Mythic: High Botanist Tel'arn · Mythic: Krosus · Mythic: Skorpyron · Mythic: Spellblade Aluriel · Mythic: Star Augur Etraeus · Mythic: The Nighthold · Mythic: Tichondrius · Mythic: Trilliax · The Nighthold · The Nighthold
Entrance and instance
The Nighthold is a raid in the Adventure Guide. See the The Nighthold database page for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.
Related bosses
Player strategy
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal.
Questions
What does the Adventure Guide say about Star Augur Etraeus?
Star Augur Etraeus fights within a stellar observatory of his own construction.
How many abilities does Star Augur Etraeus have?
The current datamine lists 23 named abilities on the Star Augur Etraeus encounter.
What does Star Augur Etraeus drop?
The Adventure Guide lists 22 drops. Each name links to its TheWoWDB item page. The full table also lives on the The Nighthold database page.
Does Star Augur Etraeus change on Heroic or Mythic?
Yes. The Adventure Guide adds difficulty sentences on the abilities that change; those sentences are collected in the difficulty section. We do not invent additional Heroic or Mythic strategy.
Does Star Augur Etraeus drop a mount?
The journal loot table includes Felblaze Infernal, Hellfire Infernal. Each links to its TheWoWDB mount page.
Where does this guide's text come from?
Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69587, ingested 2026-09-01). Player strategy such as positioning, assignments, and cooldown timings is omitted unless that sentence is already in the journal.
Source and build
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal. Quoted sections come from TheWoWDB Adventure Guide datamine (client build 12.1.0.69587, ingested 2026-09-01). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.