Adventure Location - Underdark

Short location for an encounter, ambush or distraction. Options for a possible interesting extra.
The Underdark is a place of twisting tunnels, constant darkness and strange magic. Encounters might occur in a forest of fungi, amid giant stalactites or by the side of a gaping chasm. It is a place of elemental earth and gates to far realms. Home to fungi creatures, the dark elves and aberrations from the Far Realms.

tools for - dnd5e encounters location underdark

terrain: Terrain Type:

A strange stone monument surrounded by cracked stone (flies cover the area)
An area of moss (close to a deep gorge)
An an exquisite centipede statue kissing an unusual lizardfolk statue near a patch of tall mushrooms with bowl-like flammable caps (smoke covers the area)
A farm of red edible mushrooms (there is a strong smell of something putrid covering the area)
A strange area of carved rooms atop a steep cliff (the area is cursed ground)
A wide cave covered with inscriptions (close by is a pool with a garden of massive mushrooms with grain-like spores)
A set of levers connected to six stone doors (which is associated with rothe)
A ford through a river (nearby is a small beast pen)
A wide set of spiral stone steps (which has a programmed illusion)
An area of stones. There is a pile of rocks with a platform moved by levers (there is a weak air current flowing through the area)