Complete the League Hall: Lockdown raid without your entire team getting knocked out, and while allowing the intruders to create exactly three parts of the makeshift teleporter
Behind Closed Doors
0.17
Defeat 20 Dregg Wardens in the Necropolis: Relics of Urgrund raid
Exit Through the Gift Shop
0.17
Collect all 9 Artifacts of Urgrund Replica Base Items