The Womb
Next upDefeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Achievement
Defeat Delirium as Judas.
In-game: “Unlocked a new item.”
Sources:AchievementsThe VoidDelirium
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
After: The Womb
Defeat Satan.
After: The Womb
Defeat Hush.
After: The Womb, Blue Womb
Defeat Delirium as Judas.
After: Judas, The Womb, Blue Womb, New Area