The Womb
Next upDefeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Achievement
Defeat Mother as The Forgotten.
In-game: “Complete the Corpse with the Forgotten.”
Sources:AchievementsMotherCorpse
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
After: The Womb
Defeat Satan 5 times.
After: The Womb
Defeat Hush 3 times.
After: The Womb, Blue Womb
Defeat The Lamb.
After: The Womb, The Negative
Dig up The Forgotten with Mom's Shovel in the Dark Room (a three-part process).
After: The gate is open!, The Womb, The Negative
Defeat Mother as The Forgotten.
After: The Forgotten, A Secret Exit