TheWoWDBSepulcher of the First Ones
Halondrus the Reclaimer Guide
Halondrus the Reclaimer in Sepulcher of the First Ones, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Halondrus creates Seismic Tremors that release motes of ephemera.
- If any motes reach Halondrus, an Ephemeral Eruption occurs.
- Stages named in the Adventure Guide: Stage One: The Reclaimer, Stage Two: The Shimmering Cliffs, Stage Three: A Broken Cycle.
- Tanks: An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Healers: An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Damage dealers: An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
Overview
Adventure Guide says
Halondrus creates Seismic Tremors that release motes of ephemera. If any motes reach Halondrus, an Ephemeral Eruption occurs. At 100 energy Halondrus casts Reclaim and pulls in motes with increasing force.
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus' Lightshatter Beam inflicts massive Cosmic damage.
- Halondrus' Lightshatter Beam inflicts massive Cosmic damage and shatters Fractal Shell.
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus inflicts damage to all enemies with Earthbreaker Missiles.
- Halondrus will inflict heavy damage to the raid with Quaking Steps while it moves to its new location during Relocation Form.
- Players afflicted by Crushing Prism will leave behind a Shattered Prism when dispelled.
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus inflicts damage to all enemies with Earthbreaker Missiles.
- Halondrus inflicts increasingly deadly damage to the raid while casting Reclaim.
- Players afflicted by Crushing Prism will leave behind a Shattered Prism when dispelled.
Encounter phases
Adventure Guide says
- Stage One: The Reclaimer
- Stage Two: The Shimmering Cliffs
- Stage Three: A Broken Cycle
Tank mechanics
Adventure Guide says
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus' Lightshatter Beam inflicts massive Cosmic damage.
- Halondrus' Lightshatter Beam inflicts massive Cosmic damage and shatters Fractal Shell.
Healer mechanics
Adventure Guide says
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus inflicts damage to all enemies with Earthbreaker Missiles.
- Halondrus will inflict heavy damage to the raid with Quaking Steps while it moves to its new location during Relocation Form.
- Players afflicted by Crushing Prism will leave behind a Shattered Prism when dispelled.
DPS mechanics
Adventure Guide says
- An Ephemeral Eruption occurs if an Ephemeral Mote reaches Halondrus.
- Halondrus inflicts damage to all enemies with Earthbreaker Missiles.
- Halondrus inflicts increasingly deadly damage to the raid while casting Reclaim.
- Players afflicted by Crushing Prism will leave behind a Shattered Prism when dispelled.
Boss abilities
Volatile Charges
Charge Exposure
Charge Detonation
Reclamation Form
Eternity Engine
Reclaim
Seismic Tremors
Ephemeral Fissure
Earthbreaker Missiles
Planetcracker Beam
Lightshatter Beam
Lance
Crushing Prism
Shattered Prism
Ephemeral Eruption
Relocation Form
Quaking Steps
Shatter
Shattered Debris
Crushed
Eternity OverdriveLoot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Dreadful Leg Module
Earthbreaker's Impact
Ephemera-Stained Sollerets
Greatboots of the Roaming Goliath
Guardstaff of the Great Cycle
Lightshatter HatchetMystic Leg Module
Obscured Fractal Prism
Reclaimer's Intensity Core
Taciturn Keeper's LapisVenerated Leg ModuleZenith Leg Module
Borne of Blood
Depths of Insanity
Fury of the Skies
Magma Fist
Meat Shield
Nether Precision
One With the Beast
Ravenous Consumption
Resonant Words
Scalding Brew
Triple ThreatMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Mounts
Achievements
Heroic: Sepulcher of the First Ones · Mythic: Anduin Wrynn · Mythic: Artificer Xy'mox · Mythic: Artificer Xy'mox · Mythic: Lords of Dread · Mythic: Prototype Pantheon · Mythic: Rygelon · Mythic: Sepulcher of the First Ones · Mythic: The Jailer · Mythic: Vigilant Guardian · Sepulcher of the First Ones
Entrance and instance
Sepulcher of the First Ones is a raid in the Adventure Guide. See the Sepulcher of the First Ones 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 Halondrus the Reclaimer?
Halondrus creates Seismic Tremors that release motes of ephemera.
How many abilities does Halondrus the Reclaimer have?
The current datamine lists 22 named abilities on the Halondrus the Reclaimer encounter.
What does Halondrus the Reclaimer drop?
The Adventure Guide lists 23 drops. Each name links to its TheWoWDB item page. The full table also lives on the Sepulcher of the First Ones database page.
Does Halondrus the Reclaimer 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.
Does Halondrus the Reclaimer drop a mount?
The journal loot table includes Zereth Overseer. 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.