WoW Cataclysm - Omnotron Defense System Boss Guide


The Omnotron Defense System was once touted as the Dark Iron dwarves' greatest technological marvel. This advanced automated defense represented the pinnacle of engineering and magic combined, a true masterpiece reflecting the ingenuity and skill of these dwarves.

However, the arrival of Nefarian at Blackwing Descent changed its fate. Nefarian, a master of manipulation and corruption, saw an opportunity in the run-down system. With his dark powers, he repurposed the Omnotron Defense System for a far more sinister purpose: to annihilate anyone intruding on his laboratories. Under his influence, the system became a lethal barrier protecting Nefarian's secrets and experiments from any external threat.

This transformation of the Omnotron Defense System, from a technological marvel to a tool of destruction, illustrates both the decay and the inherent danger of Nefarian's influence, once again highlighting the fearsome power of the black dragon in his quest for control and domination.

Omnotron Defense System Abilities

Primary Defense Matrix

- Shared Health Pool: The four dwarven golems share a collective health pool, and two are active at any given time.

- Energy Management: Each golem starts with 100 energy. When its energy reaches 50, it gains a defensive shield and a new golem activates. When its energy hits 0, it deactivates and another golem takes its place.


1. Power Generator Power Generator: Summons a Power Generator under a random player, increasing damage dealt by 50% and restoring 250 mana per second to all units within 5 yards. Lasts 1 minute.

2. Arcane Annihilator Arcane Annihilator: Blasts a random player for 39,000-41,000 Arcane damage. In 25-player raids, it targets three random players.

3. Power Conversion Power Conversion: Converts damage taken into Converted Power, providing additional magic damage and cast speed.

- Converted Power Converted Power: Each attack on Arcanotron’s Power Conversion shield grants him 10% additional Arcane damage and 10% increased spell haste for 30 seconds. This effect stacks.


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1. Lightning Conductor Lightning Conductor: Designates a random player as a Lightning Conductor, causing them to inflict 19,500-20,500 Nature damage to allies within 8 yards every 2 seconds for 10 seconds.

2. Electrical Discharge Electrical Discharge: Inflicts 23,400-24,600 Nature damage to up to 3 targets within 8 yards, with damage increasing with each jump.

3. Unstable Shield Unstable Shield: Dealing damage to Electron's shield triggers Static Shock at a nearby player’s location, inflicting 29,250-30,750 Nature damage to players within 6 yards.


1. Incineration Security Measure Incineration Security Measure: Strikes everyone in the room for 11,700-12,300 Fire damage every second for 4 seconds.

2. Acquiring Target Acquiring Target: Targets a random player for his Flamethrower ability. After 4 seconds, channels Flamethrower on the target, inflicting 20,475-21,525 Fire damage every second to all players in front of him for 4 seconds.

- Flamethrower Flamethrower: Inflicts 20,475-21,525 Fire damage every second to all enemies in front of him for 4 seconds.

3. Barrier Barrier: Magmatron’s shield absorbs 300,000 damage. If the Barrier breaks, it releases a gale of flame, inflicting 73,125-76,875 Fire damage to all players.


1. Chemical Bomb Chemical Bomb: Fires a Chemical Bomb at a random player, creating a Chemical Cloud that increases damage taken by any unit in the cloud by 50%.

- Chemical Bomb Chemical Cloud: Increases the damage taken by any unit in the cloud by 50% and inflicts 50 Nature damage every second.

2. Poison Protocol Poison Protocol: Creates a Poison Bomb every 3 seconds, which fixates on a random player and explodes upon reaching melee range.

- Poison Bomb: Explodes and creates a Poison Puddle upon reaching melee range, dealing 11,700-12,300 Nature damage every second to any player standing within the puddle.

3. Poison Soaked Shell Poison Soaked Shell: Dealing damage to Toxitron's shield inflicts Soaked in Poison on the attacking player.

4. Soaked in Poison Soaked in Poison: Inflicts 5,000 Nature damage every 2 seconds, stacking. Dispelling this poison removes all stacks. When the affected player attacks or uses abilities, they expunge poison onto their target.

- Expunge Poison Expunge Poison: The poison-soaked player inflicts 9,750-10,250 Nature damage on their target.