I recently did a greed mode run in which I broke the game with the D20, battery strategy. (Reroll into chests and reroll some more untill you can't see the floor anymore).

Since this allowed me to generate infinte money I was able to buy a lot items up to the point where the 2nd breakfast started spawning all the time.

I also found the D4 and MissingNo which reroll your current build into something else.

I thought "Well I'm op anyways, let's just reroll my complete build. What's the worst that could happen?"

Apparently the worst that could happen was me losing all my item instead of rerolling them. Also note that this was before I exhausted a single item pool.

Is this a bug? Or is there a maximum amount of Items I can reroll on myself?

4 Answers 4


This is a known bug with the D4 (and other item-rerolling effects, such as those from MissingNo and the D100).

The way rerolls work is that all passive items you collect are not removed from your character, but disabled and inaccessible. In return, the game gives you an equal amount of passive items from random pools. However, if an item pool is empty and the game needs to give you an item from that pool, the item will be Breakfast (a plain +1 HP). So, though you may not have exhausted every item pool, you probably exhausted some of the smaller ones (such as the gold and red chest pools). As a result, every time the game decides to give you an item from one of those exhausted pools, you'll earn a Breakfast instead of some other passive item.

In a breaking run where you've got a near-infinite amount of money and/or rerolls, it's quite possible that you exhausted multiple item pools. When you rerolled, the game probably picked items from those pools and left you with nothing but a bunch of HP. If you reroll again, there is a possibility you might get a handful of other items back (pulled from any pools you haven't completely sucked dry yet), but chances are it will just be more breakfasts.

  • Has this ever been confirmed as a bug? Yeah, it's referred as a bug on the wiki and on other forums, but given the fact the item pools work the same way, it seems to me it's pretty deliberate
    – Kappei
    Commented Jan 20, 2017 at 11:18
  • @Kappei Perhaps not a bug per se, but it does run counter to to what the player would probably expect when they reroll their items. If you've never played the game before, you might expect a reroll to take all your current items and simply change them into other random ones, therefore not drawing from any item pools. In any case, this "bug" seems to be a core part of the game and is unlikely to be "fixed" at any point in the future.
    – Mage Xy
    Commented Jan 20, 2017 at 14:45

From the Missing No. wikia page, it looks like if you have too many items, you have a high risk of just rerolling them all into Breakfast.

If the player has already obtained a large number of items (such as during a run where they have gained infinite money in greed mode), it is highly recommended to avoid this item, as it will almost always end up rerolling all the items the player has thus far collected into Breakfast.

Based on this passage, it sounds like this is exactly what happened. I'm not sure how much health you had at the time you rerolled, but if you had infinite money, I'm sure you had enough items where rerolling them all into Breakfast would appear to have not done hardly anything.

For example, say you reroll 20 items and technically gained 20 Breakfast items, but since you were at 10 red hearts already, it would appear that you only got 2 more red hearts and lost your other 18 items, since the other 18 red hearts don't show up as they surpass the maximum number of hearts you can have.

Additionally, the D4 has the potential to remove your items. From the D4 wikia page:

When the D4 has rerolled through all items it will eventually remove all of them upon use.

Triggering either of these items multiple times on a floor (or even once each) while you have a lot of items has a very high risk of depleting at least one item pool.

  • 1
    Just a nitpick in your terminology: you're linking to the official wiki pages, not wikia. Wikia is a specific website, and the pages you're linking are for Gamepedia, which is not affiliated with Wikia as far as I know. (I've just noticed you using the term wikia in a couple of your answers, and it's a just personal pet peeve of mine, sorry :D )
    – Mage Xy
    Commented Jan 19, 2017 at 17:15
  • @MageXy I was under the impression that wikia just referred to sites that organized their info like Wikipedia, whoops. Just googled and you're right. Feel free to fix that if you notice it anywhere!
    – Vemonus
    Commented Jan 19, 2017 at 17:15

The D4 and MissingNo work on all the passive items you've found and reroll them, the fact that you still had to exhaust any item pool doesn't matter here (and by the way, if you started finding Breakfast in the store, it meant that you had depleted at least one item pool).

The fact with the D4 and MissingNo is that they DISABLE all the passives you currently have and give you an equal amount of random passive items; you can see this in Rebith with no DLC: if you pause the game after using the D4, all the items you've found are still there on the post-it in the pause screen, in addition to the new items the D4 gave you. If you had a huge amount of items, you'd be able to deplete every item pool in the matter of a couple of iterations, leaving you with only Breakfast to be found. So you'll end up with 12 full hearth containers and nothing else active.


As other answers suggest, it may be a D4 bug:

Using the D4 too often will exhaust every single passive item in the Treasure Room item pool, causing items rerolled by D4 to become Breakfast. Treasure Rooms themselves may still contain active items, however.

But this behaviour could be due to Chaos, if you have it.
Once you start finding Breakfast you have exhausted at least one item pool. If you picked up Chaos then you have a great chance of finding several Breakfast:

As the item does not actually mix or combine item pools, it is possible to quickly deplete smaller item pools and end up with Breakfast.
Thus, if Chaos tries to pull from an item pool that is already depleted, it will not pull from a different pool and instead give you Breakfast.

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