The Subterranean Maw
- Rooms
- 5
- Foes
- 11, CR 1/4 to 5
- Traps
- 5
- Treasure
- 775 gp
At a glance
The threat
The Crimson Saplings cult, led by Arch-Sapling Vane, seeks to corrupt the Heartseed completely using the Blight-Kernel.
Wandering monsters (1d2)
- 1
2× Blight-WolfCR 1
When: If the party makes excessive noise in the vessel corridors.Wolves whose fur has been replaced by moss and sharp wooden spines. - 2
Crimson ScoutCR 1/2
When: A random encounter every 30 minutes of exploration.A cultist carrying a bioluminescent lantern and a jagged dagger.
Rooms
5The Choke-Thicket
What they see
Read aloud
The entrance is a jagged opening in the trunk leading down into a tangle of thorny roots that lash out at movement. The floor is soft, damp mulch that sinks under a traveler's weight.
Features
- Thorny root walls
- Humid, oxygen-rich air
- Sinking peat floor
What the GM knows
Monsters
4× Blight-Infused Twig BlightsCR 1/4
Small, dry humanoids made of twisted bark and thorns.Tactics. They remain motionless to appear as natural brush before ambushing intruders with claw attacks.Traps
Snaring RootDC 13 piercing
A hidden root loop that snaps shut around an ankle when stepped upon.Disarm. A successful Nature check can identify the pressure point to neutralize the root.Treasure
Discarded Satchel25 gp
A leather bag containing minor coins and a dried herbalist kit.Notes
The thicket reacts to fire; using a torch here might cause the roots to retreat or lash out wildly.
3 doors: W (normal), N (locked), S (secret)
The place
What it is
An organic nightmare of pulsing wood and damp peat beneath the Rotskogen forest.
Atmosphere
The air is heavy with the smell of wet earth and copper blood.
The threat
The Crimson Saplings cult, led by Arch-Sapling Vane, seeks to corrupt the Heartseed completely using the Blight-Kernel.
History
Once a sacred grove, the Heartseed tree's roots were occupied by the Crimson Saplings cult.
Rumors
1d3- 1The villagers say the Rotskogen forest has begun to 'bleed' red sap into the local streams.
- 2A traveler claims to have heard a heartbeat coming from the ground beneath the great Heartseed tree.
- 3The local druids are missing, and many believe they have been transformed into wood for the Maw.
Plot hooks
2Corridors
2Connecting all rooms
Vessel Corridors: Tubular, hollowed roots that pulse with liquid flow and are covered in slippery lichen.
Between the Osmosis Font and the Gallery
Sphincter Doors: Circular gates of muscle and wood that only open when splashed with blood or salt.
Media
0 imagesNo images yet.
Turn The Subterranean Maw into a sheet
A high-res, share-ready sheet you can post or print.