Burial Hill - Cave
Max Difficulty: Elite
Type: Ruined
Items - Normal: Aether Crystal
Items - Elite: Aether Crystal X3
Devil's Aquifer
Max Difficulty: Normal
Type: Ruined
Items: Aether Crystal
Wightmire Cavern
Max Difficulty: Ultimate
Items - Normal
Type: Desecrated
The Flooded Passage
Max Difficulty: Normal
Type: Desecrated
The Burial Cave (Burrwitch Outskirts)
Max Difficulty: Normal
Type: Ruined
Items: Aether Crystal
Burrwitch Estates
Max Difficulty: Elite
Type: Desecrated
Underground Transit
Max Difficulty: Ultimate
Type: Ruined
Items - Normal: Aether Crystal x2
Items - Elite: Aether Shard, Purified Salt
Items - Ultimate: Calamity, Aether Shard
Craig's Crags
Max Difficulty: Ultimate
Type: Ruined
Items - Normal: Chipped Claw
Items - Elite: Tainted Brain Matter, Vitriolic Gallstone
Items - Ultimate: Mistborn Talisman, Tainted Brain Matter