Adventure Location - Shadowfell

Short location for an encounter, ambush or distraction. Options for a possible interesting extra.
The Shadowfell is a pale reflection of the world, a place of shifting shadows, twisted crystal trees, crumbling ruins and foul rivers. Meet cursed spirits, doomed cultists, hordes of undead and servants of the Raven Queen.

tools for - dnd5e encounters location shadowfell

terrain: Terrain Type:

An area of thick webs (which is protected by a poltergeist)
An abandoned shack by a pool (nearby is a pile of broken tombstone)
A river of roiling darkness (nearby is a tainted stream)
A deep pool with many insects surrounded by ash (there are several iron spikes)
A few precarious ladders leading up a slippery cliff. There is a pile of bones with a deep ditch (close by is a metal hut)
A bridge made of chains (the area is disguised by a hallucinatory terrain)
An overgrown watchtower. There is a tainted brook with a tar pit (there is the bloated corpse of a giant bat)
A deep pond with many insects by a pile of skulls (close by is a spiked metal railing)
An an area of grasping chains (there is a cloud of yellows spores)
A field of stunted red plants. There is a fountain of muck with a shrine to a power of vengeance (there is a damaged wagon)