283 feet below and southeast from the basement of Glutton's Kitchen.
It's a wet cave.
None at the moment.
Light from outside only comes in for about four and a half minutes a year, assuming nothing terribly inconveninent happens. There are rocks jutting out from all over the walls and ceiling that provide ventillation, as well.
The cesspit of Perplexing Pool is in the back, and it smells like feet. It is fed by a grimy waterfall and is full of poison and disease-causing bacteria.
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The cesspit was once home to a glob of Black Nectar, but it has been removed.