Matriarch Reactor in ARC Raiders drops from Matriarch boss fights, fuels Aphelion crafting, and sells for 13,000 coins, so smart farming and a safe extract really matter. If you're chasing a Matriarch Reactor in ARC Raiders, you're probably already at the point where every high-end resource matters. This one really does. It's one of those drops that can change what you craft next and how...