The room appears to be a storeroom for teaching spells. You find jars, canisters, and wooden boxes full of basic spell components.
"Oh, if there's gold wire or leather string I'd like that please."
"I CALL ANY COPPER WIRING!"
"Fucking junkie. That is such a Baltimore thing to call dibs on."
Do you all go up the ramp, or down the stairs into the arboretum?
"No splitting up. It's what horror movie idiots do."
"Defo. With a demon, dwarf and half-elf, we have WAY too many racial minorities in the group for that to be a solid plan."
"That's right! This is no horror movie! We are real, imaginary people in a life or death situation on paper damnit, this is no time to be reckless."
"Random question...Do dragonkind have barbed penises? This might inform my next move."
"Are you telling me that you're so big that you can't see down there?"
"I guess I could cast minor illusion so that you can check yourself out."
"...Would you please ca--"
"No I'm not doing that."
The two gelatinous cubes advance towards the party, both encompassing the space of hallway... The one slowly consuming the human is in the rear.
"Great. We're gonna be chased all the way out of here by a lime jello."
The gelatinous cubes are translucent, with no apparent color or tonal value to them.
"Even better. Clear jello: the dry hump of jellos."
You make it to the wide stairwell and see a dead human man on the stairs, his throat slit... Something is in his hand...
"Zoom and enhance."
"This isn't CSI, jackass, just lift up his fucking hand."