What do I get for not making deals with Satan?

In Binding of Isaac (both Rebirth and the original), you can make deals with the Devil, where you trade your hearts for items (you can also get Angel rooms, which give you a rare item, but that is besides the point for now). What can I gain from NOT taking a deal with the Devil and ignoring his items?

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What is the saying about making a deal with the devil?

\u201cSometimes a deal with the devil is better than no deal at all.\u201d

How do I get more devil deals?

How do i get Devil Deals? Defeating a boss without taking red heart damage gives you a 99% chance to get a devil deal. There are a couple other triggers for that percentage, but they don't add as high a % to get the deal.

How do you get the devil room in the binding of Isaac Rebirth?

Notes

On XL floors, the Devil Room door can only appear after completing the second Boss Room.

Once a Devil Room door closes for the floor, it cannot be re-opened without picking up. ...

Taking Soul Heart, Black Heart, Eternal Heart, Bone Heart, or Rotten Heart damage does not decrease the chance to open a Devil Room; only.

Satan asked producer to Sell His Soul to the Music Business (Koa Jerome Testimony)

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Yaroslav Shuraev, Castorly Stock, Andrés Góngora, ANTONI SHKRABA