TheWoWDBBoss
Automated Defense Matrix
Vigilant Guardian - Sepulcher of the First Ones
Automated Defense Matrix is a boss of the Vigilant Guardian encounter in Sepulcher of the First Ones.
Found In
Encounter Facts
3D Model
First-party render from the game files. Model © Blizzard Entertainment.
Model
Background
Instance Entrance: Zereth Mortis
Sepulcher of the First Ones entranceThe Sepulcher of the First Ones entrance is in Zereth Mortis, at 81.0, 53.3 on the Zereth Mortis map.
Abilities & Strategy
What the in-game dungeon journal describes for this encounter. Every ability links to its spell page.
Abilities & Strategy
Overview
The Vigilant Guardian will activate Pre-Fabricated Sentries to attack players periodically while employing its own defense routines. Throughout the encounter the Vigilant Guardian will Expose its core, inflicting lethal damage to all players not shielded by an Automated Defense Matrix. When automa are defeated, their energy is automatically redistributed to the next largest Powered Down automa. Automa restored to full power in this way reactivate.
Tanks
- The Vigilant Custodian and the Pre-Fabricated Sentries use Dissonance to inflict very high damage to their current target.
- The Vigilant Guardian can only be damaged by the Detonation of an Unstable Core dropped by Automated Defense Matrixes.
- Force Field greatly reduces the damage taken from Exposed Core.
Healers
- The Vigilant Guardian can only be damaged by the Detonation of an Unstable Core dropped by Automated Defense Matrixes.
- Force Field greatly reduces the damage taken from Exposed Core.
- Deresolution will trigger Spikes of Creation caught in its path.
Damage Dealers
- The Vigilant Guardian can only be damaged by the Detonation of an Unstable Core dropped by Automated Defense Matrixes.
- Force Field greatly reduces the damage taken from Exposed Core.
- Deresolution will trigger Spikes of Creation caught in its path.
Automa
The Vigilant Guardian is aided by various automa. Automa are Powered Down until restored to full power. When Automa are defeated their power is redistributed to the next largest automa nearby that is still Powered Down.
Powered Down
Spell detailsAutomated Defense Matrix
The Automated Defense Matrix creates a Force Field when powered up. Drops Unstable Cores on death.
Point Defense Drone
Targets enemies at random with its Blast ability once powered up.
Blast
Spell detailsSearing Ablation
Spell detailsPre-Fabricated Sentry
The Vigilant Guardian periodically awakens Pre-Fabricated Sentries to assist itself.
Wave of Disintegration
Spell details
Dissonance
Spell detailsVolatile Materium
The Vigilant Guardian periodically awakens Volatile Materium to assist itself.
Adaptive Subroutines
Spell detailsStage One: Systems Online!
The Vigilant Guardian begins the encounter protected by the gateway to the Sepulcher of the First Ones. Detonating an Unstable Core nearby will damage the Vigilant Guardian. On Mythic Raid Difficulty, the Vigilant Guardian rolls out of the wall, using their Stage Two abilities during Stage One.
Exposed Core
Spell details
Optimal Core Temperature
Spell details
Radioactive Core
Spell details
Refracted Blast
Spell detailsOn Mythic Raid Difficulty, a Spike of Creation is created with the impact of Refracted Blast.
Spike of Creation
Spell detailsSpikes of Creation are also triggered by Deresolution and Split Resolution.
Deresolution
Spell detailsStage Two: Roll Out, then Transform
Once the Vigilant Guardian reaches 40% health remaining it rolls forward and then transforms into its battle mode.
Refracted Blast
Spell details
Matter Dissolution
Spell detailsAnti-Matter
Spell detailsSplit Resolution
Spell detailsFractured Core
Spell details
Pneumatic Impact
Spell detailsStage Three: Self-Destruct Sequence
At 15% health remaining, the Vigilant Guardian activates its self-destruct sequence.
Core Overload
Spell detailsAbility Spells
Every ability the Adventure Guide lists for Automated Defense Matrix, with its spell's school, cast time and duration and the description the game gives it.
Force Field
Holy, Nature, Shadow, Arcane · Instant
The Automated Defense Matrix creates a force field that reduces the damage taken from Exposed Core by 90%. The Force Field persists until Exposed Core ends. When Force Field ends the Automated Defense Matrix attacks players.
Sear
Holy, Nature, Shadow, Arcane · Instant · Lasts 12 sec
The Automated Defense Matrix channels cosmic energy at a random player, inflicting Cosmic damage every 1 sec. for 12 sec.
Unstable Core
Holy, Nature, Shadow, Arcane · Instant
Carrying the Unstable Core reduces the player's movement speed by 50% and inflicts Cosmic damage every 1 sec. The Unstable Core can be Detonated when it is near the Vigilant Guardian.
Detonate
Holy, Nature, Shadow, Arcane · Instant
The Unstable Core detonates, inflicting 20.1% of the Vigilant Guardian's maximum health. The detonation cancels Optimal Core Temperature and any affects of Overclocking.
Drops
Loot the dungeon journal lists for this encounter in Sepulcher of the First Ones.
What is shown is the loot the game's own dungeon journal lists for this encounter.
Adventure Guide Entry
The in-game Adventure Guide text for the Vigilant Guardian encounter in Sepulcher of the First Ones.
This eternal guardian lies in wait, keeping a timeless vigil over the entrance to the Sepulcher of the First Ones.
What Each Drop Is
The Vigilant Guardian encounter lists 21 items in the dungeon journal, item level 226. Equip slots covered: Legs, Trinket, Chest, Waist, Head, One-Hand, Finger, Feet, Shield and Wrist. Every piece binds when picked up, so none of it reaches the Auction House.
- Ancient Materium Tassets Legs (Cloth), item level 226, requires level 60. Bind on Pickup. Stats: Intellect, Stamina, Critical Strike and Haste. A vendor pays 89 gold60 silver for it.
- Auxiliary Attendant Chime Trinket, item level 226, requires level 60. Bind on Pickup. Stats: Intellect. A vendor pays 70 gold48 silver for it. Equip: Pre-Fabricated Assistant.
- Fractured Colossus Core Chest (Leather), item level 226, requires level 60. Bind on Pickup. Stats: Agility or Intellect, Stamina, Mastery and Critical Strike. A vendor pays 81 gold95 silver for it.
- Girdle of the First Gate Waist (Mail), item level 226, requires level 60. Bind on Pickup. Stats: Agility or Intellect, Stamina, Versatility and Haste. A vendor pays 82 gold59 silver for it.
- Helm of Solemn Vigil Head (Mail), item level 226, requires level 60. Bind on Pickup. Stats: Agility or Intellect, Stamina, Mastery and Versatility. A vendor pays 61 gold58 silver for it.
- Key to the Immortal Hearth One-Hand (One-Handed Mace), item level 226, requires level 60. Bind on Pickup. Stats: Agility, Stamina, Haste and Critical Strike. Tooltip: “Will you unlock inner courage, or terrible destruction?” A vendor pays 119 gold33 silver for it.
- Legplates of the Slumbering Sentinel Legs (Plate), item level 226, requires level 60. Bind on Pickup. Stats: Strength or Intellect, Stamina, Haste and Critical Strike. A vendor pays 83 gold21 silver for it.
- Modified Defense Grid Finger, item level 226, requires level 60. Bind on Pickup. Stats: Stamina, Critical Strike and Mastery. A vendor pays 56 gold52 silver for it.
- Pre-Fabricated Footpads Feet (Cloth), item level 226, requires level 60. Bind on Pickup. Stats: Intellect, Stamina, Versatility and Mastery. A vendor pays 65 gold13 silver for it.
- Sepulcher's Savior Shield, item level 226, requires level 60. Bind on Pickup. Stats: Strength, Stamina and Intellect. A vendor pays 81 gold62 silver for it.
- Unstable Giant's Cuffs Wrist (Plate), item level 226, requires level 60. Bind on Pickup. Stats: Strength or Intellect, Stamina, Haste and Versatility. A vendor pays 41 gold68 silver for it.
- Bloodletting Consumable, item level 145. Bind on Pickup. Use: Learning.
- High Voltage Consumable, item level 145. Bind on Pickup. Use: Learning.
- Magi's Brand Consumable, item level 145. Bind on Pickup. Use: Learning.
- Maim, Mangle Consumable, item level 145. Bind on Pickup. Use: Learning.
- Merciless Bonegrinder Consumable, item level 145. Bind on Pickup. Use: Learning.
- Resplendent Light Consumable, item level 145. Bind on Pickup. Use: Learning.
- Rolling Agony Consumable, item level 145. Bind on Pickup. Use: Learning.
- Shining Radiance Consumable, item level 145. Bind on Pickup. Use: Learning.
- Umbral Intensity Consumable, item level 145. Bind on Pickup. Use: Learning.
- Walk with the Ox Consumable, item level 145. Bind on Pickup. Use: Learning.
Read from the current game build's item data. Listed prices come from our latest US Auction House scan; a drop that binds when picked up never has one.
Achievements for Defeating It
9 achievements list a victory over Automated Defense Matrix among their criteria.
