The Binding of Isaac: Rebirth

The Binding of Isaac: Rebirth

Jarchu Feb 25, 2021 @ 2:35pm
Active item turned to passive after d100 room
if i remember right, i had unicorn stump on me as active item, but somehow after i used the d100 roll, it turned into passive item which is basically worthless change. has this happened to anyone else before?
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Showing 1-9 of 9 comments
Nazemec Feb 25, 2021 @ 2:48pm 
To clarify: you had an active item, switched for the D100, then used the D100 in the room and your previous item got rerolled. Correct?

The D100 combines the effects of several items:
- the D6; which rerolls all pedestal items in the room.
- the D4, which rerolls all items you currently have (except itself).
- the D20, which rerolls all pickups in the room (coins, bombs, keys, cards, chests...).

Everything seems normal (D6 effect triggered by the D100). Nothing forces active item to become other active items when rerolled (same for passives into passives), the only restriction is you'll get an item from the current active item pool (the one corresponding to the room you're in).
Last edited by Nazemec; Feb 25, 2021 @ 2:49pm
Danizk0 Feb 25, 2021 @ 10:23pm 
Originally posted by Nazemec:
To clarify: you had an active item, switched for the D100, then used the D100 in the room and your previous item got rerolled. Correct?

The D100 combines the effects of several items:
- the D6; which rerolls all pedestal items in the room.
- the D4, which rerolls all items you currently have (except itself).
- the D20, which rerolls all pickups in the room (coins, bombs, keys, cards, chests...).

Everything seems normal (D6 effect triggered by the D100). Nothing forces active item to become other active items when rerolled (same for passives into passives), the only restriction is you'll get an item from the current active item pool (the one corresponding to the room you're in).
I think OP used the dice room with the d100 symbol (6 pips) and his Unicorn Stump got rerolled into a passive item.
Jarchu Feb 26, 2021 @ 12:27am 
yes, i had unicorn stump on me and used dice room d100, not the active item d100. after walking to the spot where it rerolls those 3, my unicorn stump turned into passive item. https://i.ibb.co/G7Knk0x/Unicorn-stump-passive.png thats the image of it.
Nazemec Feb 26, 2021 @ 1:36am 
Ah, I see. I'll try to test some things later then. (The harder part being "find a 6- or 1- pip dice room to run tests", haha.)
Danizk0 Feb 26, 2021 @ 2:12am 
You can just use goto s.dice to teleport yourself into dice rooms if you want to test something
Last edited by Danizk0; Feb 26, 2021 @ 2:12am
Jarchu Feb 26, 2021 @ 2:34am 
too bad i forgot to take the seed from that run, wouldve made things easier :(
Nazemec Feb 26, 2021 @ 2:48am 
Originally posted by Danizk0:
You can just use goto s.dice to teleport yourself into dice rooms if you want to test something
Thanks for the command, I assume I would've found it but it makes things quicker. :dip:

So, just tested the thing. The active item (whatever it is, even if it's the D4 or D100) definitely transforms into a random passive (most likely because it fails the "am I responsible for this reroll?" check), but I couldn't replicate "seeing the old active in the recent items". So I'm not sure why it did that for you.
Might have to try by giving myself a lot of items first, I think sometimes the self-reroll effect can fail. Maybe it could be related (as in: active removed to reroll, can't find what to reroll into so doesn't change, but active still removed yet still owned).

Edit:
Well, I replicated it. Hello passive D4. :dip:
https://ibb.co/0rjxpRB
I rerolled myself a bunch of times until I've emptied item pools first. So I think my previous theory (in parentheses) isn't that far of the mark, haha.

Edit2:
Wait, no. The D4 actually still got rerolled into that blue-fly-can't-bother-to-find-exact-item-name-because-that's-irrelevant item, I didn't have it before activating the dice room.
[confused screaming]
Running more tests to confirm.

Edit3:
Might've dreamed in Edit2, just did the whole process again twice several times and didn't get a random passive, meaning the D4 wasn't rerolled into anything. I guess it means my initial theory stands? :dip:
Managed to get all actives I tested with as non-functional passives: Mega Blast, Void, dice items, books...

First time I heard of this (minor) bug, nice one!
Last edited by Nazemec; Feb 26, 2021 @ 3:21am
Danizk0 Feb 26, 2021 @ 4:19am 
Oooh, I completely misunderstood this whole thread. I thought that OP simply didn't know that active items get rerolled by the dice room. Interesting find!
Nazemec Feb 26, 2021 @ 8:13am 
Well, good news I guess, this bug should be fixed in Repentance. :dip:
https://twitter.com/FixItVinh/status/1365328738880266245
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Date Posted: Feb 25, 2021 @ 2:35pm
Posts: 9