I got an item called Mom's Pearl and I would like to know what its effects are.

  • 1
    Mom's Pearl grants a random chance at any regular heart drop turning into a soul heart instead. It's usefulness is largely opinion-based, and any player will likely tell you a different affinity towards its use, so I'm voting to close as off topic. Mar 29, 2017 at 17:10
  • Depends on what you value in an item.
    – Vemonus
    Mar 29, 2017 at 17:10
  • The hardest part about looking this up would be the fact that BoI:Rebirth now dominates the search results, since it is the more recent and updated game. However, there is still the fantastic Platinum God reference sheet which has all the item/trinket information available.
    – Mage Xy
    Mar 29, 2017 at 18:19
  • @Kaizerwolf After the edit, the question is no longer opinion based or off topic, which means it was a good edit. At this point, closure would be inappropriate. I agree that it is not a great question though.
    – Mage Xy
    Mar 29, 2017 at 18:40

1 Answer 1


The Mom's Pearl trinket gives a 10% chance that any heart drop will become a soul heart instead. This stacks with the effects of the Mitre.

In the original Binding of Isaac, you could gain an infinite number of soul hearts, even if they were not shown on the health bar. Additionally, they protect you from red heart damage, which means you will have an increased chance of a devil deal at the end of every floor. Devil deals, though not necessarily a guarantee, usually provide very powerful items that can help you win the run you are currently on. Therefore, soul hearts are a very beneficial health item.

Trinkets in general are not meant to change your gameplay heavily. Instead, they are meant to either augment your current gameplay style/build, or simply to provide minor bonuses. Since Mom's Pearl only increases soul heart chances by 10%, it's an average trinket with decent utility. Whether that's actually worth it for you to keep is up to you - and a large part of why the game is so fun. There is no "correct" item build.

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