Brother Albern is an unlockable machine in Benighted Soul, a mod for The Binding of Isaac.
12% chance to appear in Super Secret Room.
When destroyed, spawns a touched Brown Nugget.
May be woken up when touched.
When woken up, 30% chance to spawn an item from Key Master pool, or spawns an uncommon chest.
Defeat Mega Satant on Hard Mode as Benighted Lost.