Cain
ReadyHold 55 coins at the same time.
Achievement
Defeat Mother as Cain.
In-game: “Complete the Corpse with Cain.”
Sources:AchievementsMotherCorpse
Hold 55 coins at the same time.
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
After: The Womb
Defeat Hush 3 times.
After: The Womb, Blue Womb
Defeat Mother as Cain.
After: Cain, A Secret Exit