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Sepulcher of the First Ones

Artificer Xy'mox Guide

Artificer Xy'mox in Sepulcher of the First Ones, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.

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30-second TL;DR

Adventure Guide says

  • Xy'mox fights players with old tricks and newfound powers alike as he attempts to plunder the Genesis Relic.
  • At 75% and 50% health remaining, Xy'mox will call in Xy reinforcements to assault players as he unlocks more of the artifact's power with Decipher Relic.
  • Stages named in the Adventure Guide: Stage One: Cartel Xy, Stage Two: Secrets of the Relic.
  • Tanks: Genesis Rings inflict massive damage to players who pass through them.
  • Healers: Genesis Rings inflict massive damage to players who pass through them.
  • Damage dealers: Genesis Rings inflict massive damage to players who pass through them.

Overview

Adventure Guide says

Xy'mox fights players with old tricks and newfound powers alike as he attempts to plunder the Genesis Relic. At 75% and 50% health remaining, Xy'mox will call in Xy reinforcements to assault players as he unlocks more of the artifact's power with Decipher Relic. Once the Xy reinforcements are defeated, the relic begins to radiate Genesis Rings in new combinations.

  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Glyph of Relocation pulls all raid members to the target's current location when it expires.
  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Genesis Supernova inflicts increasing damage until all Xy Reinforcements are slain.
  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Genesis Supernova inflicts increasing damage until all Xy Reinforcements are slain.

Encounter phases

Adventure Guide says

  1. Stage One: Cartel Xy
  2. Stage Two: Secrets of the Relic

Tank mechanics

Adventure Guide says

  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Glyph of Relocation pulls all raid members to the target's current location when it expires.

Healer mechanics

Adventure Guide says

  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Genesis Supernova inflicts increasing damage until all Xy Reinforcements are slain.

DPS mechanics

Adventure Guide says

  • Genesis Rings inflict massive damage to players who pass through them.
  • Wormholes created with Dimensional Tear can move players instantly between two locations.
  • Genesis Supernova inflicts increasing damage until all Xy Reinforcements are slain.

Boss abilities

AbilityAdventure GuideNotes
Genesis Rings
Genesis Supernova
Dimensional Tear
The Cartel Elite
Rift Blast
Glyph of Relocation
Arcane Vulnerability
Stasis Trap
Continuum Stasis Trap
Hyperlight Sparknova
Gunship Barrage
Decipher Relic
Genesis Bulwark
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Loot

Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.

Cache of Acquired TreasuresCartel Xy's Proof of InitiationEnforcer's Containment CinchForerunner's Relic BladeIllicit Artifact HolsterImported Illidari SpauldersPulsating RiftshardReplicated Relic BladeStolen Nathrian SlippersUnlicensed Hyperlight HandlersVeiled Auctioneer's VambracesXy Captain's CrossbowCall of FlameCrash the RampartsFocused LightFocused MalignancyIncantation of SwiftnessLethal PoisonsPain TransformationRejuvenating WindSpirit DrainUnstoppable Growth

Mounts, toys, achievements, transmog

Only rows the journal loot table or an achievement title can prove for this encounter.

Mounts

Zereth Overseer

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.

Lords of Dread
Vigilant Guardian
Dausegne, the Fallen Oracle
Prototype Pantheon
Lihuvim, Principal Architect
Halondrus the Reclaimer
The Jailer
Skolex, the Insatiable Ravener
Rygelon
Anduin Wrynn

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 Artificer Xy'mox?

Xy'mox fights players with old tricks and newfound powers alike as he attempts to plunder the Genesis Relic.

How many abilities does Artificer Xy'mox have?

The current datamine lists 13 named abilities on the Artificer Xy'mox encounter.

What does Artificer Xy'mox drop?

The Adventure Guide lists 22 drops. Each name links to its TheWoWDB item page. The full table also lives on the Sepulcher of the First Ones database page.

Does Artificer Xy'mox 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 Artificer Xy'mox 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.