Arc Raiders' quest "The Stench of Corruption" takes players into the eerie Spaceport map, uncovering a saboteur's plot amid toxic hazards and ARC threats. Completing it rewards the stylish Warden outfit. You unlock it after finishing "A Toxic Trail" and speaking with Shani back at base. The mission is designed for a single-run attempt—dying resets progress—so stash the key safely...