TheWoWDBThe Voidspire
Crown of the Cosmos Guide
Crown of the Cosmos in The Voidspire, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Alleria Windrunner begins the fight held back by Undying Sentinels from the Void.
- She periodically strikes out at friend and foe alike with both Void effects and Silverstrike Arrow.
- Stages named in the Adventure Guide: Stage One: The Voidspire, Undying Sentinels, Intermission: Crushing Singularity, Stage Two: The Severed Rift, Intermission: Shattering Singularity, Stage Three: The End of the End, Stage Two: The End of the End.
- Tanks: Undying Sentinels utilize Echoing Darkness when no players are in melee combat.
- Healers: Silverstrike Arrow will remove any Void effects from targets struck.
- Damage dealers: Silverstrike Arrow will remove any Void effects from targets struck.
Overview
Adventure Guide says
Alleria Windrunner begins the fight held back by Undying Sentinels from the Void. She periodically strikes out at friend and foe alike with both Void effects and Silverstrike Arrow. When each of the Undying Sentinels have been destroyed, Alleria crashes into the platform and creates a Rift Simulacrum to assault her enemies with Call of the Void and Ranger Captain's Mark. When the Rift Simulacrum is shattered, Alleria releases her full Void abilities upon all players.
- Silverstrike Arrow will remove any Void effects from targets struck.
- Void Droplet will splash targets with Corrupting Essence when it dies.
- Aspect of the End reduces healing received until the target moves away from the arrow.
- Silverstrike Arrow will remove any Void effects from targets struck.
- Null Corona absorbs a large amount of healing and can be moved to another player when dispelled.
- Aspect of the End reduces healing received until the target moves away from the arrow.
- Undying Sentinels utilize Echoing Darkness when no players are in melee combat.
- Empowering Darkness affects Alleria's allies within a large area.
- Aspect of the End reduces healing received and Gravity Collapse leaves the target weak to Physical attacks.
Encounter phases
Adventure Guide says
- Stage One: The Voidspire
- Undying Sentinels
- Intermission: Crushing Singularity
- Stage Two: The Severed Rift
- Intermission: Shattering Singularity
- Stage Three: The End of the End
- Stage Two: The End of the End Wild cosmic energy spirals out of control, sealing the fate of all atop the Voidspire...
Tank mechanics
Adventure Guide says
- Undying Sentinels utilize Echoing Darkness when no players are in melee combat.
- Empowering Darkness affects Alleria's allies within a large area.
- Aspect of the End reduces healing received and Gravity Collapse leaves the target weak to Physical attacks.
Healer mechanics
Adventure Guide says
- Silverstrike Arrow will remove any Void effects from targets struck.
- Null Corona absorbs a large amount of healing and can be moved to another player when dispelled.
- Aspect of the End reduces healing received until the target moves away from the arrow.
DPS mechanics
Adventure Guide says
- Silverstrike Arrow will remove any Void effects from targets struck.
- Void Droplet will splash targets with Corrupting Essence when it dies.
- Aspect of the End reduces healing received until the target moves away from the arrow.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Silverstrike Arrow | ||
 Silver Residue | ||
 Grasp of Emptiness | ||
 Bursting Emptiness | ||
 Void Expulsion | In Heroic and Mythic difficulty, Void Expulsion also targets additional players. | |
 Void Remnants | ||
 Null Corona | ||
 Corrupting Essence | ||
 Silverstrike Barrage | ||
 Stellar Emission | ||
 Singularity Eruption | ||
 Orbiting Matter | ||
 Empowering Darkness | ||
 Cosmic Barrier | ||
 Rift Slash | ||
 Volatile Fissure | ||
 Ranger Captain's Mark | ||
 Silverstrike Ricochet | ||
 Voidstalker Sting | ||
 Call of the Void | ||
 Devouring Cosmos | ||
 Aspect of the End | ||
 Gravity Collapse | ||
| Grasp of Emptiness | ||
| Bursting Emptiness | ||
 Dark Rush |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Arator's Swift Remembrance
Canopy Walker's Footwraps
Eternal Voidsong Chain
Gaze of the Unrestrained
Hate-Tied Waistchain
Locus-Walker's Ribbon
Nightblade's Pantaloons
Ranger-Captain's Iridescent Insignia
Ranger-Captain's Lethal Recurve
Sunbound Breastplate
Turalyon's False Echo
Untethered Berserker's Grips
Voidspire Vanquisher's Argent Trophy
Voidspire Vanquisher's Aureate Trophy
Voidspire Vanquisher's Gleaming Trophy
Devouring Ritual SpireMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Toys
Achievements
Heroic: The Voidspire · Mythic: Crown of the Cosmos · Mythic: Fallen-King Salhadaar · Mythic: Imperator Averzian · Mythic: Lightblinded Vanguard · Mythic: The Voidspire · Mythic: Vaelgor & Ezzorak · Mythic: Vorasius · The Voidspire
Entrance and instance
The Voidspire is a raid in the Adventure Guide. See the The Voidspire 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 Crown of the Cosmos?
Alleria Windrunner begins the fight held back by Undying Sentinels from the Void.
How many abilities does Crown of the Cosmos have?
The current datamine lists 26 named abilities on the Crown of the Cosmos encounter.
What does Crown of the Cosmos drop?
The Adventure Guide lists 16 drops. Each name links to its TheWoWDB item page. The full table also lives on the The Voidspire database page.
Does Crown of the Cosmos change on Heroic or Mythic?
The current Adventure Guide text for this encounter does not include separate Heroic or Mythic sentences we can quote. If a later client build adds them, they appear here automatically.
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.