Achievement Walkthrough:
https://youtu.be/PJ8Gmy-QaIgTimestampsLantern: 1:50
Spider Queen Boss: 8:10
Loot Achievement: 9:50
Lurking Horror Boss: 10:20
Dragon Lord Boss: 11:30
Sorcerer Boss: 12:50
Lich King & Queen Boss: 14:10
Dark Overlord Boss: 15:25