The floor of Trog's seems to be holding. Heaven knows the floor here has been hit with some crazy stuff before and has managed to make it through without collapsing on itself and dumping everyone on top of the Quiet Beast.

...

Which is probably a good thing.

"I don't think it's acid..." Sadei mutters. "Maybe it's just hungry?"

She decides that now would be a good time to toss a plate of brownies into the fog!

They vanish in a swirl of pink mist AND!

...nothing happens.

Apparently brownies aren't its only weakness.