Farmer Joe on Twitter: "Did you know, that you can use Faded Polaroid as well to enter the Mausoleum in Isaac Repentance? I tried it, and it worked" / Twitter
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Daniel Brami on Twitter | Polaroid pictures, Poloroid pictures, Polaroid photos
we tend to focus on the possible negative outcomes. don't fall into th... | TikTok
The Binding of Isaac: Repentance Tainted Characters Guide | The Binding of Isaac: Repentance
Apparently gulping the faded Polaroid makes it unable to open the door in depths which I guess makes sense since you can't put it in the door if you swallowed it :
The Binding of Isaac: Repentance - Final Boss Guide