I wouldn't know.
I have never tested of this since I didn't find any use for it when I tried to care sadly.
I'm sorry!

Though thanks for liking my stuff~! ^^

Btw nice guide! Thanks.

What does the White Key from 7A do?
Did some research and apparently it is used at Moldy Apartments in a golden door to obtain a Joy Mask.

But it's an almost useless equipment(provides very small def and when you reach that point you probably gonna have better things), not worth the effort IMO.

i found this really useful, thanks a lot <3

You are the mod creator aren't you?

i think you need rher doors but it gives you an item called the white mask

I haven't used it, I wouldn't know personally

What does the White Key from 7A do?

All good buddy~!!!

Thanks a lot for this, i cannot imagine how much time did you spent in this guide, you deserve all the good things that happen to you and more mwah