Skip to content
CreatePricing

The Choking Moss Grotto

The emerald silence hides a hunger that never sleeps.

10 roomscavemedium

A damp, limestone cavern system overrun by aggressive, sentient flora and thick, bioluminescent spores. The air is heavy with the scent of wet earth and sickly sweet decay.

The cave is lit by a dim, greenish phosphorescence from hanging moss. Sound is muffled by the thick vegetation, and a constant, rhythmic dripping echoes from the ceiling.

☠ Threat

The Root-Mother, a corrupted dryad fused into a massive, necrotic tree, rules the depths. She manipulates the fungal network to lure travelers inside, turning their bodies into mulch to fuel her expansion. Her influence is slowly creeping toward the surface, threatening to choke out the nearby forest with her toxic spores.

History

Originally a natural spring, the cave was transformed decades ago by a renegade druid circle seeking to bridge the gap between stone and plant life. Their ritual went horribly wrong when they tapped into a vein of abyssal energy, causing the vegetation to turn predatory. The druids were consumed by their own creations, and now their spirits are bound to the very moss that coats the walls.

Encounter Table

CR
1/2CR
Stirge Swarmx4

A group of blood-drinking pests attracted by the warmth of living beings.

1/4CR
Vine-Choked Skeletonx2

Animated remains of previous adventurers, held together by parasitic vines.

Rumours & Whispers

1

Old Man Miller says the woods are moving closer to his cabin every night.

2

The local herbalist is offering a reward for glowing moss that only grows in the deep caves.

3

Travelers claim to have heard a woman singing a mournful lullaby from the hillside cracks.

Quest Hooks

1
The Missing WoodsmanRescue

Quest giver: Elder Kaelen

The village elder's son vanished while gathering firewood near the cave entrance. He was last seen being dragged by 'walking bushes'.

50 gp and a Potion of Healing.

2
The Verdant BlightExtermination

Quest giver: Farmer Jory

A strange rot is killing the local crops. The source has been traced back to the spores leaking from the Choking Moss Grotto.

A silver-plated shortsword.

Corridor Notes

Between Room 1 and Room 4

The walls are coated in a thick, slippery slime that glows with a faint bioluminescence.

Between Room 3 and Room 8

A cluster of oversized mushrooms that release a harmless puff of spores when brushed against.

Visual sheet

Turn The Choking Moss Grotto into a sheet

A high-res, share-ready sheet you can post or print.