"Far below, waves crash in a ceaseless rhythm against jagged stone. The wind screams like a thing alive, carrying with it the faintest thread of music — almost human, almost kind. The cliffs rise like broken teeth from the sea, riddled with black mouths that disappear into shadow. Something watches from above. You can feel it."

A string of disappearances has drawn the party to the remote Stoopbridge Cliffs — a wind-lashed escarpment known for shipwrecks and eerie singing in the dark. The truth hides among the sea spray and stone: a flock of harpies has made these cliffs their home, preying on waylaid ships and wanderers with illusions, charm, and ambush. This dungeon is less about brute force and more about clever thinking, resisting temptation, and making use of limited space under pressure. Verticality, wind, and environmental danger all play a part — from the storm-lashed beach to the dizzying heights of the nest above.

The Stoopbridge Cliffs are a hazardous vertical dungeon, with ledges, caves, and sharp drop-offs. The party begins at the Pebbled Beach below, with limited time before they are noticed. The air is thick with sea spray, the terrain is rough and slick, and the sound of wings is never far off. This encounter challenges players to gather clues quickly, plan their approach smartly, and avoid getting separated or isolated.

Arrival at the Cliffs

"The beach is narrow, littered with smooth grey pebbles and shattered planks. The tide pulls hungrily at the edges, dragging broken rigging and bones in equal measure. Above, the cliffs rise almost vertical, pocked with shadows. The wind keens, and the smell of salt and rot is heavy in your throat. You swear you just heard… singing?"

The Pebbled Beach is both an investigation site and a countdown clock. Harpies above are aware of movement below and may begin to descend after 5–10 minutes of activity. Here, players might find shipwreck debris, signs of claw marks, strange symbols carved into rocks, or even feathers that shimmer faintly with enchantment. It’s a race against time: learn what you can before you're spotted — or drawn upward by charm.

The Wreck

"Half a ship lies wedged between two sea-splintered rocks, its hull broken and bowed. Cargo is strewn across the surrounding shelf, some already pulled apart by the tide. You see the glint of metal — armour, perhaps — and a hand, white and still, vanishing beneath the waves. A sweet voice hums from somewhere deeper inland."

The wreck is both the source of the hook and a dangerous place to explore. Slippery footing, unpredictable tides, and sudden attacks mean players must move quickly and decisively. They might find clues here: journals, charm-compelled victims, or broken weapons from others who tried to resist. The harpies may lure someone from here with whispers and illusions, drawing a player out of sight for a surprise attack.

Environmental Pressure. Any combat here involves unstable footing, water hazards, and rolling tide checks. If players fall, they risk injury or separation from the party. Clues hint at the presence of more than one harpy, and the ship’s captain may be tied to a larger subplot (smuggling, enchanted cargo, etc.).

The Hoard

"This lower cave is damp and tight, the ceiling low. Crates and packs are piled in one corner - from many ships, many victims. A young woman is chained to the wall, bloodied and weeping, calling out weakly for help. Her voice trembles, echoing just a little too perfectly. Her eyes glitter when she sees you."

This is a trap. The harpy in disguise has been gifted with illusion magic by an unknown patron or developed it over time. She plays the long game - waiting until the party lets their guard down. Other harpies circle outside, ready to pounce. Clever players may notice inconsistencies (no wounds, chain marks too fresh, or repeating dialogue). A battle here could be tight and brutal.

The False Captive. This moment tests player empathy and caution. Fighting in the cramped cave with harpies attacking from behind can cause panic. Players who succeed in seeing through the illusion might turn the trap on the harpies instead.

The Open Shelf

"The cavern opens to the wind. Natural shelves line the walls, streaked with old guano and bones picked clean. The sound of wings is louder here, and the air is sharp with the reek of carrion. Above, shapes move in the mist, their songs weaving through the wind like threads."

The Open Shelf is the most dynamic combat zone. Harpies swoop, vanish, and reappear. Players must deal with verticality, sudden gusts of wind, and ambush from above. Harpies can grab, shove, and charm, forcing characters to make saves or risk being thrown or lured over the edge. Ranged combat becomes crucial, as does separating the flock to pick them off.

Swoop-and-Strike. Harpies use hit-and-run tactics here, retreating when wounded. They know the ledges well and attempt to bait players into pursuing them into danger. Clever use of terrain and flight can challenge even seasoned parties.

The Nest

"At the very top, the cave mouth yawns open to the sky. The wind howls here — raw, violent. A massive nest of driftwood, bones, and netting sprawls beneath a natural skylight. Jewellery glints among the feathers. The largest harpy crouches there, watching with a smile far too wide."

This is the heart of the flock. The matriarch is more powerful, more cunning, and perhaps blessed by something dark. She’ll fight to defend her home, but knows when she’s outmatched and will try to flee by diving off the edge and flying into the mist. The terrain is treacherous: crumbling ledges, loose stones, and gusts that require balance checks each round. One wrong step, and it's a hundred feet down.

The High Drop. The final battle’s danger isn’t just the enemies - it’s the environment. Spells like Feather Fall, Levitate, or creative rope use could be life-saving. Players who claim the nest might find treasures stolen from dozens of victims - and a hint of something darker guiding the harpies' growth and hunger.

Finalising the Quest.

"The harpy song fades at last, leaving only wind and waves behind. In the distance, the sea reflects grey and red light. You descend the cliffs with the weight of salt and silence in your bones. There are no more screams on the wind. At least for now."

With the nest cleared, the local disappearances cease. Survivors may be found in a daze in lower caves, or ship captains who lost crew might offer rewards. If the party spared the harpies (unlikely), they might learn of a strange voice in their dreams urging them to feed. The nest’s hoard could include maps, magical artifacts, or trinkets hinting at other creatures twisted by similar influence. The Stoopbridge Cliffs are quiet now - but something made those harpies bold.