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Sepulcher of the First Ones

Prototype Pantheon Guide

Prototype Pantheon 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

  • The Prototype of Duty and the Prototype of War assault players on the ground, using Necrotic Ritual and Pinning Volley.
  • If a member of the Prototype Pantheon reaches 40% health remaining, they all retreat to the Progenitor Forge as Reconstruction begins, ushering other Prototype Pantheon members into the fight.
  • Stages named in the Adventure Guide: Stage One: War and Duty, Stage Two: Sin and Seed, Stage Three: Pantheon of Death.
  • Tanks: Upon reaching 100 energy, Wracking Pain increases all damage taken by targets in front of the caster, and can also hit Necrotic Ritualists.
  • Healers: Upon removal, Runecarver's Deathtouch jumps to a nearby player unless protected with Bastion's Ward.
  • Damage dealers: Necrotic Ritual grows in size until all Necrotic Ritualists are defeated.

Overview

Adventure Guide says

The Prototype of Duty and the Prototype of War assault players on the ground, using Necrotic Ritual and Pinning Volley. If a member of the Prototype Pantheon reaches 40% health remaining, they all retreat to the Progenitor Forge as Reconstruction begins, ushering other Prototype Pantheon members into the fight. The Prototype of Absolution and the Prototype of Renewal then assault players on the ground, using Withering Seeds and Hand of Destruction. The Prototpye Pantheon then assaults players for a final showdown.

  • Upon reaching 100 energy, Wracking Pain increases all damage taken by targets in front of the caster, and can also hit Necrotic Ritualists.
  • Hand of Destruction pulls all players to the current target's location.

Encounter phases

Adventure Guide says

  1. Stage One: War and Duty If the Prototype of War or the Prototype of Duty reaches 40% health remaining, both retreat to the Progenitor Forge. The Prototype of Absolution and the Prototype of Renewal then begin their assault upon players.
  2. Stage Two: Sin and Seed If the Prototype of Absolution or the Prototype of Renewal reaches 40% health remaining, both Pantheon members retreat to the Progenitor Forge. All members of the Pantheon of Death then continue the assault upon players for a final showdown.
  3. Stage Three: Pantheon of Death The Pantheon of Death enters the fight for a final showdown.

Tank mechanics

Adventure Guide says

  • Upon reaching 100 energy, Wracking Pain increases all damage taken by targets in front of the caster, and can also hit Necrotic Ritualists.
  • Hand of Destruction pulls all players to the current target's location.

Healer mechanics

Adventure Guide says

DPS mechanics

Adventure Guide says

Boss abilities

AbilityAdventure GuideNotes
Imprinted Safeguards
Necrotic Ritual
Runecarver's Deathtouch
Gloom Bolt
Pinning Volley
Ascension's Call
Humbling Strikes
Night Hunter
Wild Stampede
Withering Seeds
Animastorm
Anima Bolt
Hand of Destruction
Sinful Projection
Wracking Pain
Burden of Sin
Complete Reconstruction
Sinful Projection
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Loot

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

Boots of Ceaseless ConflictDuty's Ascendant BreastplateElegy of the EternalsElysia's PromiseMoccasins of Dreadful AbsolutionPrelude to PridePursuit of VictorySin-Steeped CoronetThe First SigilWinter's Stampeding StridersWristwraps of Night's RenewalBone Marrow HopsBrooding PoolBrutal GraspCatastrophic OriginConflux of ElementsCourageous AscensionDeep AllegianceDestructive ReverberationsDiscipline of the GroveElysian DirgeEmpowered ReleaseEndless ThirstEnfeebled MarkEssential ExtractionEvolved SwarmFae FermataFatal DecimationFestering TransfusionGift of the LichHallowed DiscernmentHarrowing PunishmentImbued ReflectionsImpenetrable GloomIncreased ScrutinyIre of the AscendedLashing ScarsLavish HarvestNecrotic BarragePiercing VerdictProliferationRepeat DecreeReverberationRighteous MightRinging ClaritySeptic ShockShattered PerceptionsSiphoned MaliceSoul EaterSoul TitheSpirit AttunementStrike with ClaritySudden FracturesThe Long SummerTumbling WavesUnnatural MaliceVeteran's ReputeWay of the FaeWithering Ground

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
Lihuvim, Principal Architect
Halondrus the Reclaimer
The Jailer
Skolex, the Insatiable Ravener
Rygelon
Anduin Wrynn
Artificer Xy'mox

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 Prototype Pantheon?

The Prototype of Duty and the Prototype of War assault players on the ground, using Necrotic Ritual and Pinning Volley.

How many abilities does Prototype Pantheon have?

The current datamine lists 18 named abilities on the Prototype Pantheon encounter.

What does Prototype Pantheon drop?

The Adventure Guide lists 59 drops. Each name links to its TheWoWDB item page. The full table also lives on the Sepulcher of the First Ones database page.

Does Prototype Pantheon 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 Prototype Pantheon 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.