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Red Map

This modded item should also give you a higher chance of finding cracked keys

Does this mod change the Ultra Secret Room item pool? I can't tell which one of my mods is mixing in like any other item into the red room's pool, and this one is the only one i can guess.

I agree with @blissman2020- a cracked key every floor, combined with knowing where the ultra secret room is, is pretty OP. I can think of two ways you could go about balancing this item so that it's not just a free item every floor without any sort of challenge or chance factor-

1. Instead of dropping a cracked key every floor, make it so that red chests have a chance to drop a cracked key while you have the map.

2. Drop a cracked key every floor, but instead of revealing the ultra secret room, it instead reveals 2-4 spots where the ultra secret room could be.

This + a mod that adds crackes key as a potential drop from red chests would be really good and make red rooms actually exist and not be ignored 99% of the time

i think this would be good as a trinket that also is similar to stuff like Ace of Spades (trinket) or Safety Cap where it slightly increases the chance of finding cracked keys from room drops

you need a red key to open a red room and then use a bomb from there @efi1996vx

how do i get to the room tho?

I really like this item, it fits into Isaac well! There aren't a lot of way to find the ultra secret room in the game right now, and i think this is a great doing it!
If you're looking for feedback, i do think its a little overpowered. Perhaps a cracked key could drop on each new floor with a 50% chance instead, otherwise its a lot of free items. And also, I think the item should be added to the ultra secret room pools, after the recent update i feel like it fits perfectly there

red map's item pool including shop, secret room, curse room, angel room, and devil room.
It will drop a Cracked Key when you drop on a new floor.

Not sure if this is an item or a trinket, though i feel like it would work better as a trinket, because its one use is very specific