D20 SYSTEM✦ Normal

The Alkali Abyss: Corrosion of the Brine Lake

# Wilderness# Economic# Dungeon

The Brine Lake, once a source of rare mineral salts and clear waters, has become a site of ecological catastrophe. Ships dissolve at their moorings, and the water burns flesh. Deep beneath the corrosive surface lies a bed of natural minerals with the power to either heal the land or fuel war. Two desperate factions have emerged, each with a plan to claim this power, and they see you as either a tool or a threat. Your journey will lead you from the safety of the lakeshore settlement, through the toxic, mutating wilds, into the labyrinthine ruins beneath the lake, and finally to the mineral heart where an impossible choice awaits.

Chronicle Prelude

The campaign begins in the fortified harbor town of Siltha's Landing, built on the only non-corrosive shoreline of the massive Brine Lake. The air smells of salt and anxiety. The town is a tense neutral ground, with representatives of the two main factions eyeing each other across the tavern. The initial quests are about scouting the increasingly hostile shore and dealing with the first signs of the corrosion's spread inland.

Environmental Traits

The Brine Lake is undergoing a magical-alchemical transformation. The water is becoming lethally corrosive, and the unique minerals on the lakebed are reacting to create a zone of both terrifying danger and immense potential. The region is on a knife's edge: the wrong action could render the entire basin a permanent wasteland, while the right one could save it—and grant its saver unimaginable power or a terrible weapon.

Legendary Archetypes

Rayan

HP:45

STR:16

WIS: 12

CHA:11

Key Factions & Autonomous Nodes (8)

Overseer Valerius
A gaunt figure in a stained alchemist's apron over practical leather armor. His hands are scarred with chemical burns, and his eyes gleam with fanatical curiosity. He wears a bandolier of vials filled with bubbling liquids.
Elder Maelis
An elderly woman with bark-like skin and silver hair woven with dried reeds. She leans on a staff of petrified driftwood, her eyes holding the weight of countless lost seasons.
Historian Aris Thorne
A human male of middle age, dressed in practical, salt-stained explorer's gear. He is constantly taking notes on a wax tablet, his expression one of deep, troubled fascination.
Conclave Enforcer Kael
A powerfully built figure in hardened leather armor coated in a shiny, acid-resistant laquer. They wield a heavy, modified pick-axe and patrol with grim determination, their helmet obscuring all but their glaring eyes.
Scout Lyra
A lithe elf woman with skin the color of wet sand, clad in mottled grey and green camouflage. She moves with a silence born of the toxic wilds, her face partially obscured by a cloth filter.
Grix the Scavenger
A hunched, multi-limbed creature—perhaps once human—whose flesh has taken on a rubbery, brine-soaked quality. One eye is milky white, the other a sharp, calculating yellow. It peddles wares from a cart made of corroded scrap.
The Brine Elemental
A churning, vaguely humanoid mass of hyper-corrosive brine, calcified bone, and sediment. It rises from pools with a gurgling roar, its 'face' a vortex of sucking pressure and chemical fury.
Acropolis Guardian
A towering humanoid automaton of fused coral, obsidian, and verdigris-coated bronze. It moves with grinding, hydraulic slowness, its chest cavity glowing with a soft, pulsating light. It is silent, a relic of a forgotten age.

Chronicle Prelude

Environmental Traits

Legendary Archetypes

✦ Related Cases ✦

The Veridian Rift: Chitin and the Collapsed Gate

The Golden Mound and the Swarm's Hunger