Lazarus
ReadyHave 4 or more soul hearts at the same time.
Achievement
Defeat The Beast as Tainted Bethany.
Sources:AchievementsHomeThe Beast
Have 4 or more soul hearts at the same time.
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart or It Lives! on Hard mode as Lazarus without dying.
After: Lazarus, The Womb
Defeat Mom's Heart 10 times.
After: The Womb
Defeat Isaac 5 times.
After: The Womb
Defeat Hush 3 times.
After: The Womb, Blue Womb
Defeat Mother.
After: A Secret Exit
Open the hidden closet in Home as Bethany.
After: Bethany, The Polaroid, A Strange Door
Defeat The Beast as Tainted Bethany.
After: The Zealot, The Polaroid, A Strange Door