What to know
- The Bastion is a massive eight-legged ARC equipped with a minigun that can shred player shields quickly.
- Its weak points are located on the glowing joints of its legs and the yellow tank or rear core on the back of its head.
- Soloing a Bastion is risky; using cover, grenades, and coordinated team fire increases survival chances.
- Defeating it rewards you with valuable loot such as ARC Alloy, Powercells, Motion Cores, and a Bastion Part.
The Bastion encounter tests your team’s coordination, accuracy, and spatial awareness. If you’ve been decimating smaller drones with ease, the Bastion will be your ultimate trial by fire.
Learn the Bastion’s behavior first and foremost!
The Bastion starts by emitting a sharp metallic screech — a cue that it’s about to unleash its minigun, targeting the last spotted position of any Raider. It will rotate slowly while maintaining suppressive fire, forcing you to relocate often. The ARC often has air support such as Wasps or Hornets, making crowd control essential before you focus your efforts on the Bastion itself.
Where and when to engage Bastions
You’ll most commonly encounter Bastions in open zones like the Dam Battlegrounds or Spaceport sectors, where ARC patrols gather around high-value loot caches. It’s best to engage in areas with natural cover — ruined walls, debris, or ridgelines — where you can reposition after drawing aggro.
How to destroy the Bastion
Step 1
Clear surrounding enemies first. Wasps and Hornets called in by the Bastion’s detection systems can overwhelm your squad if left unchecked.

Step 2
Use ping markers to communicate weak points. The glowing yellow joints at its knees and the tank on the back of its head are your primary damage targets.

Step 3
Lure the Bastion into open ground with grenades or sound cues. Once distracted, flank behind it and focus heavy weapon fire on the rear weak point.

Step 4
Keep moving. The Bastion’s minigun suppresses static players easily. Dive and roll between cover when reloading, and rotate positions frequently to avoid getting pinned.

Step 5
Finish it off with explosives or sustained sniper fire. A concentrated barrage on its rear core should cause the Bastion to malfunction and eventually collapse into debris.

Bation rewards, drops and loot
When destroyed, the Bastion drops rare high-tier gear, making it worth the effort. Loot pools often include:
| Item | Description |
|---|---|
| ARC Alloy | Common crafting resource |
| ARC Powercell | Can recharge shields |
| ARC Motion Core | Advanced tech part for upgrades |
| ARC Circuitry | Used for weapon mods |
| Bastion Part | Exclusive loot for dismantling or trade |
After collecting, mark the loot location — smoke will rise from the Bastion wreckage, helping you track it down easily.
Tips for survival
- Stay crouched or prone when the Bastion begins firing; its minigun spray adjusts for standing height.
- Prioritize grenades or rocket launchers with armor-piercing capabilities to bust leg joints quickly.
- Solo players should use guerilla tactics: shoot once and reposition immediately. Sustained exposure guarantees death.
Defeating a Bastion is a major victory in ARC Raiders — not just for the loot but for the bragging rights. Once it’s down, clear remaining enemies fast and extract before reinforcements arrive. Each destroyed Bastion weakens ARC control over the map, giving your squad a stronger foothold for future raids.
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