D20 SYSTEM✦ Normal

The Venomous Tides of Old Quarter

# Urban# Wilderness# Intrigue# Investigation

The ancient drainage sluices beneath the city's Old Quarter have become choked with mutated, venomous giant leeches—a blight born from the desperate act of black market apothecaries dumping failed antitoxins. Now, the district is sealed by quarantine blockades, and two factions clash over the only cure. Players navigate a toxic labyrinth of flooded streets and corrupted tunnels, forced to choose between those who would burn the rot away and those who would harvest its potential.

Chronicle Prelude

The players arrive at the outer barricades of the Old Quarter. The air smells of damp stone and a faint, cloying sweetness—the scent of the leech venom. Quarantine guards from the Healers' Consortium and desperate refugees line the walls. Beyond, the flooded streets and crumbling buildings await.

Environmental Traits

A district-wide ecological and social collapse. The mutated leeches have infested the waterways, their venom causing a slow, crystallizing rot in victims. The antitoxins, dumped recklessly, have only accelerated the mutations. Victory is the cleansing of the Old Quarter or the mastering of its new, terrible ecology.

Legendary Archetypes

Rayan

HP:45

STR:16

WIS: 12

CHA:11

Key Factions & Autonomous Nodes (8)

Commander Vael
A weathered soldier in scratched plate armor bearing the Consortium's green cross. His eyes are weary, and he constantly checks a ledger of the dead. His posture is rigid, but his voice is hoarse from giving too many grim orders.
Apothecary Senna
A woman in stained leather apron and cracked goggles, her hands stained with iridescent chemical residues. She moves with a frantic, focused energy, clutching a notebook. Her eyes dart between her work and the shadows, as if expecting intrusion.
Reeks
A gaunt figure wrapped in rotting rags, their skin mottled with faint, luminescent fungal patches. They move with a surprising, skittering grace, preferring the high ledges and broken rooftops. A faint, sweet-chemical smell surrounds them.
Canal Guardian Leech
A leech the size of a draft horse, its mottled grey-green hide pulsing with internal veins. It wraps around the canal dam, its multiple suckered mouths twitching. A long, muscular tongue darts out, tasting the air, and spits gobs of corrosive venom.
Ghostly Consortium Scout
A translucent, flickering figure in Consortium scout leathers. He phases in and out, his form leaking faint, greenish mist that smells of antiseptic and decay. He constantly looks down a corridor that no longer exists, whispering about 'the key' and 'the drain'.
Mutant Cult Chief
A hulking survivor draped in leech-skins and covered in self-inflicted tattoos that mimic the creature's suckers. Their eyes are fever-bright, and they carry a crude spear tipped with a leech-tooth. They chant rhythmically, praising the 'Heart in the Water'.
The Alpha Leech
A colossal, pulsating mass of flesh and glistening membrane, coiled around a central stone pillar in the cathedral-like cistern. It is the living heart of the infestation, its body throbbing with a deep, rhythmic beat that causes the water to rise and fall. Its maw is a gaping, circular pit ringed with concentric rows of teeth.
Fleeing Apothecary Assistant
A young, mud-splattered figure in a torn Apothecary's apron, hiding behind a collapsed pillar. They shake uncontrollably, clutching a small satchel. Their eyes are wide with guilt and terror, and they smell of sharp chemicals.

Chronicle Prelude

Environmental Traits

Legendary Archetypes

✦ Related Cases ✦

The Smuggler's Oath and the Envelope of Seals

The Amberwood Devourer