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Under the old and ancient Heartseed tree in the heart of the forest Rotskogen. Is a item that is sought after by a old and dark cult. our heroes is tasked with retrieving the item. · Medium · Medium

The Subterranean Maw

The roots of the Heartseed hunger for the essence of the living.
Rooms
5
Foes
11, CR 1/4 to 5
Traps
5
Treasure
775 gp
12345Entrance
Select a room on the plan to open it.

The party is in

1. The Choke-Thicket


Seen


Something wanders by


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. 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    When: If the party makes excessive noise in the vessel corridors.Wolves whose fur has been replaced by moss and sharp wooden spines.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. 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

5
1

The Choke-Thicket

4 foes1 traptreasuresecret

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.
Room secrets · GM only

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
Roll a rumor

  1. 1The villagers say the Rotskogen forest has begun to 'bleed' red sap into the local streams.
  2. 2A traveler claims to have heard a heartbeat coming from the ground beneath the great Heartseed tree.
  3. 3The local druids are missing, and many believe they have been transformed into wood for the Maw.

Plot hooks

2
Urgent RequestThe Waning WoodsThe local Druid Circle tasks the party with retrieving the Blight-Kernel to stop the forest's decay.From: Elder ThorneReward: A pouch of Rare Herbs and a Ring of Protection
Personal GoalMissing KinA villager begs the party to find their sister who was last seen being taken toward the Heartseed Tree.From: Garek the MillerReward: 300 Gold Pieces

Corridors

2
  • Connecting 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.

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