The Binding of Isaac: Rebirth

The Binding of Isaac: Rebirth

Jacob Dec 31, 2017 @ 4:55pm
Rune Question
Let's say I only unlocked the Jera rune and didn't unlock the rest of the runes until the very end of my save file. Would there be an increased chance for getting Jera as opposed to it having a static drop rate. I.E 10% rune drop rate, no matter the rune, or a 1.5% Jera rune drop rate?
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Nazemec Dec 31, 2017 @ 5:31pm 
Runes are considered as cards (general case, not considering rune-specific or card-specific stuff), so I guess the card pool would be less diluted if you unlocked only that rune.
When a rune is set to drop, it will pick from unlocked runes. So if you only have one unlocked (ie. jera), you will only get Jera's. ie. rune bag item

As you can imagine, this is super handy for many challenges/achievements/unlocks.

Look on the wiki for 'item pools'. When an item is set to appear, it selects from the item pool based on what is unlocked. This is can be used to save you some frustration for more difficult challenges/unlocks (ie. lost) by not unlocking bad items and unlocking primarily good items.

Similarly, item cards and pills work the same way, so some challenges aren't worth doing to avoid getting some less useful pills/cards (ie. unlocking ace of diamonds only).
Last edited by ♥♥♥♥ Goblin; Dec 31, 2017 @ 5:47pm
Jacob Dec 31, 2017 @ 7:03pm 
Thanks for the info, guys.
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Date Posted: Dec 31, 2017 @ 4:55pm
Posts: 3