Reactor Core (Sanctuary Fortress)

Reactor Core is a room in the Sanctuary Fortress in Metroid Prime 2: Echoes. On the first visit, the doors will lock and Samus will be attacked by a rogue Quad. The doors will not unlock until it is defeated.

The Dark Aether version of this room was the Hive Reactor.

Items
Energy Tank
 * Once the room is clear of Rezbit, a Kinetic Orb Cannon