Maintenance Pump Key

The Maintenance Pump Key unlocks a door tucked inside the expansive Maintenance area on the Dire Marsh zone, specifically within a small red building found inside the main hangar, identifiable by the stairs leading up to it. The Maintenance POI in southeastern Dire Marsh is one of the zone's most dangerous areas due to dense UESC enemy presence, but it offers correspondingly high loot density that makes it a frequent destination for well-equipped squads. Behind the pump room door, runners will find a substantial haul: the room reportedly contains six or seven caches loaded with weapons, equipment, and consumables, ranking it among the most rewarding single-key rooms on Dire Marsh. The key is a random world drop across the zone, though the Maintenance area and its surrounding buildings are natural places to search given the key's name. Securing this room can dramatically accelerate a squad's gear progression in a single run.