What to know

  • The Matriarch spawns only when the event appears.
  • The Matriarch is known to appear on Dam Battlegrounds, Spaceport, and Blue Gate.
  • Her combat pattern mixes homing rockets, area-denial explosives, and waves of supporting ARC units.
  • The loot is inconsistent, but confirmed drops include Matriarch Reactor and advanced ARC materials.

The Matriarch is one of the most imposing ARC enemies in ARC Raiders. Introduced in the North Line update, she’s significantly larger than the Queen and designed as a world-event boss. Because she’s tied to a rotating map condition, her spawn isn’t fixed. Players must queue into raids and look for a specific event message to know when she might appear. Once she shows up, the fight becomes a test of coordination, mobility, and resource management.

Matriarch attributes in ARC Raiders

Feature Description
Size & Armor Very large ARC unit equipped with thick, reinforced plating
Attack Types - Homing missiles and rockets
- Gas mortars
- Flashbangs and disorienting projectiles
- Close-range physical stomp
Shield Mechanic Can generate temporary shields; when active, her exposed core becomes even more vulnerable to damage
Summons Calls additional ARC units (children), including Wasps, Hornets, Bastions, Leapers, Rocketeers, and Bombardiers
Weak Points The glowing central core (jaw/body area) is the primary weak point

Matriarch location in ARC Raiders

The Matriarch only spawns when the “Matriarch” event condition is active.

Screenshot by: NerdsChalk

She spawns most consistently on Dam Battlegrounds, especially around Red Lakes, Floodgates, The Breach and the broken dam area.

Screenshot by: NerdsChalk

She can also spawn at Spaceport, typically near the Launch Towers during the active event.

How to fight Matriarch in ARC Raiders

Step 1

Start by selecting a raid instance that has the Matriarch event condition active. Once you load in, move toward that map’s known hotspot areas.

Screenshot by: NerdsChalk
Step 2

Use high ground and open terrain to maintain visibility and avoid sudden hits from her stomp or gas attacks.

Screenshot by: NerdsChalk
Step 3

This world event attracts multiple squads, so stay alert for third-party Raiders who may interfere mid-fight.

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Screen recording by: NerdsChalk

Step 4

The Matriarch often launches a smoke bomb that obscures vision and creates a hazardous zone. Maintain distance when you see her preparing the throw, and rotate to a clearer angle so you don’t lose track of her movements.

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Screen recording by: NerdsChalk

Step 5

She summons waves of ARC units, so clear them to prevent getting overwhelmed.

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Screen recording by: NerdsChalk

Step 6

The Matriarch will occasionally bring up a protective shield that heavily reduces incoming damage. When this happens, keep your distance, stop wasting ammo, and reposition to prepare for the moment the shield drops

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Screen recording by: NerdsChalk

Once she is defeated, loot fast and extract immediately, as the area becomes highly contested.

Matriarch loot drops in ARC Raiders

Main debris loot pool:
  • ARC Alloy
  • ARC Circuitry
  • ARC Performance Steel
  • Advanced ARC Powercell
  • ARC Flex Rubbe
  • ARC Motion Core
  • ARC Synthetic Resin
  • ARC Thermo Lining
  • Magnetic Accelerator
  • Matriarch Reactor
Small debris loot pool:
  • ARC Alloy
  • ARC Circuitry
  • ARC Performance Steel
  • Advanced ARC Powercell
  • ARC Flex Rubber
  • ARC Synthetic Resin
  • Magnetic Accelerator
  • Matriarch Reactor

Tips for defeating the Matriarch

  • Keep moving to avoid her rockets, stomp, and gas.
  • Save heavy ammo for when her core is exposed.
  • Clear her summoned adds before they overwhelm you.
  • Use high ground for better visibility and safer positioning.
  • Extract quickly after the kill to avoid PvP ambushes.

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