Purist

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Purist
Challenge number
20
Character
Isaac App.png
HUD Red Heart.pngHUD Red Heart.pngHUD Red Heart.png
Available rooms
Item Pool Treasure Room.png: no          Item Pool Shop.png: yes
Goal
Boss Mom's Heart.png / Boss It Lives.png
Unlocks
Rune of Berkano Rune of BerkanoRune of BerkanoComplete challenge #20
Unlocked by
Purist Defeat Mom for the first timePuristPurist

Purist is challenge #20. This challenge is unique because you start with no items. Your goal is to defeat Mom's Heart or It Lives. This Challenge is unlocked when you defeat Mom for the first time.

Difficulty[edit | edit source]

Because there are no Treasure Rooms, it is harder to find items. While this is standard for most challenges, you also don't start with any items.

Strategy[edit | edit source]

Other Special Rooms become much more important.
Bombs are much more valuable when hunting for Secret Rooms as these can provide free items.
Curse Rooms guarantee damage and can lower the chances of Devil Rooms. However, if you have a full Soul Heart or Black Heart, the reward can outweigh the damage and still allow you to access a Devil Room. Alternatively, you may wait to enter the Curse Room until after visiting the Devil Room.
The Bible The BibleThe Bible Icon.png6 roomsUpon activation, Isaac gains flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom's Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan. can be used to instantly win the boss fights against Mom, which can be used to preserve key health, and Mom's Heart/It Lives, which will complete the challenge.

Reward[edit | edit source]


The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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