Vigilant Guardian

The Vigilant Guardian is the first boss of the 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.

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 its core, inflicting lethal damage to all players not shielded by an Automated Defense Matrix.

When automa are defeated, they will drop orbs of energy that can be deposited in any automa that are still. Automa restored to full power in this way reactivate.

• Walking over Reclamated Materium will cause them to activate.
• Defeated automa drop energy cores that can be carried and deposited in any automa that is still.
• and will trigger the detonation of a.
• You will need the protection of to survive the effects of.

• Walking over Reclamated Materium will cause them to activate.
• Defeated automa drop energy cores that can be carried and deposited in any automa that is still.
• Use dropped by Automated Defense Matrixes to damage the Solitary Guardian.
• You will need the protection of to survive the effects of.

• Walking over Reclamated Materium will cause them to activate.
• Defeated automa drop energy cores that can be carried and deposited in any automa that is still.
• You will need the protection of to survive the effects of.
• will trigger significant damage to all players for a short duration.

• Key to the Immortal Hearth
• Sepulcher's Savior
• Helm of Solemn Vigil
• Fractured Colossus Core
• Unstable Giant's Cuffs
• Girdle of the First Gate
• Ancient Materium Tassets
• Legplates of the Slumbering Sentinel
• Pre-Fabricated Footpads
• Modified Defense Grid
• Auxiliary Attendant Chime

• Bloodletting (conduit)
• High Voltage
• Magi's Brand
• Maim, Mangle
• Merciless Bonegrinder (conduit)
• Resplendent Light (conduit)
• Rolling Agony
• Shining Radiance
• Umbral Intensity (conduit)
• Walk with the Ox (conduit)

• Sepulcher of the First Ones (achievement)
• Heroic: Sepulcher of the First Ones
• Mythic: Vigilant Guardian
• Ephemeral Plains (achievement)
• Power ON
• Sepulcher of the First Ones Guild Run
• Heroic Sepulcher of the First Ones Guild Run

• In early PTR builds, the Vigilant Guardian was called Solitary Guardian.
• In early builds, its Adventure Guide entry: This eternal guardian lies in wait while its susbsytems keep vigil over the entrance to the Sepulcher of the First Ones.