Retail boss

Arcanotron Custos

This highly advanced arcane construct has been charged with keeping the peace and ensuring that all Magisters adhere to rules and restrictions. Veering from said rules will not be tolerated.

Abilities Loot

Abilities

What it does.

From the adventure guide, with tank, healer and damage notes.

Overview

Arcanotron Custos controls players with its Ethereal Shackles and by creating pools of Arcane Residue. Upon running out of energy, Arcanotron Custos begins its Refueling Protocol, drawing in Energy Orbs to refuel itself.

Damage Dealers

Arcane Expulsion inflicts a heavy amount of damage and knocks back all players.
Arcane Residue inflicts heavy damage to players standing in the area.
Arcanotron Custos gains Arcane Empowerment if an Energy Orb reaches it.

Healers

Ethereal Shackles roots players and inflicts periodic damage.
Arcane Residue inflicts heavy damage to players standing in the area.
Arcanotron Custos gains Arcane Empowerment if an Energy Orb reaches it.

Tanks

Repulsing Slam inflicts a heavy amount of damage and knocks back its target.
Arcane Residue inflicts heavy damage to players standing in the area.
Arcanotron Custos gains Arcane Empowerment if an Energy Orb reaches it.

Refueling Protocol

Energy Orb

Arcane Residue

Loot

What it drops.

Select an item for its full tooltip and every source.

Arcanotron Custos loot
Item	Slot	Type	Main stat
Arcane Guardian's Shell	Chest	Plate	Intellect / Strength
Custodial Cuffs	Wrist	Leather	Intellect / Agility
Clasp of Compliance	Waist	Cloth	Intellect
Leggings of Orderly Conduct	Legs	Mail	Intellect / Agility
Refueling Orb

Source

Where this data comes from.

Read from Blizzard's official World of Warcraft API.

Data from Blizzard’s official World of Warcraft API, retrieved Oct 5, 2026, 2:25 PM UTC. World of Warcraft and its game data are © Blizzard Entertainment, Inc. NeedBeforeGreed isn’t affiliated with or endorsed by Blizzard.

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Arcanotron Custos loot

Item

Slot

Type

Main stat

Arcane Guardian's Shell

Chest

Plate

Intellect / Strength

Custodial Cuffs

Wrist

Leather

Intellect / Agility

Clasp of Compliance

Waist

Cloth

Intellect

Leggings of Orderly Conduct

Legs

Mail

Intellect / Agility

Refueling Orb

Arcanotron Custos

What it does.

Overview

Damage Dealers

Healers

Tanks

Refueling Protocol

Energy Orb

Arcane Residue

What it drops.

Where this data comes from.

Arcanotron Custos

What it does.

Overview

Damage Dealers

Healers

Tanks

Refueling Protocol

Energy Orb

Arcane Residue

What it drops.

Where this data comes from.

Unstable Energy

Arcane Empowerment

Arcane Expulsion

Arcane Residue

Ethereal Shackles

Repulsing Slam