D20 SYSTEM✦ Master

The Shattered Spires of the Sunken Sky

# Nautical# Dungeon# Arcane# Wilderness# Combat

The Shimmering Shallows are dying. A colossal, crystalline shard from a fallen Netherese flying city has pierced the ocean floor, its ancient wards poisoning the water with wild, raw magic. Two factions now clash over the shard: the Merfolk Scout Detachment, who see it as a divine blight to be destroyed at any cost, and the Siren's Choir, a cabal of outcasts who believe the shard's magic is the only force that can heal the scarred seabed and restore their lost homeland. A third presence, the corrupted defenders of the shard itself, stalks the ruins. The players must navigate a labyrinth of sunken spires, choose their allies, and decide the fate of the entire region.

Chronicle Prelude

The coastal settlement of Brinewatch, a surface-town built on stilts and wreckage at the edge of the Shimmering Shallows. It serves as the only neutral hub, a place of tense trade and whispered rumors between merfolk scouts, desperate sirens, and wary surface-dwellers. The air smells of salt and ozone.

Environmental Traits

The Shimmering Shallows are a vast, shallow continental shelf of coral reefs and kelp forests, now scarred by a jagged, mile-high obsidian and crystal spire—the Netherese shard—that juts from the seabed, pulsing with unstable arcane energy. The surrounding waters are in flux: zones of wild magic, mutated life, and temporal echoes of the city's destruction.

Legendary Archetypes

Rayan

HP:45

STR:16

WIS: 12

CHA:11

Key Factions & Autonomous Nodes (8)

Commander Kallis
A tall, imposing merfolk veteran with scars of crystal growth tracing one side of his face and arm. His eyes hold a weary, determined light. He wears practical, scarred armor of shell and coral, and moves with the disciplined grace of a lifelong soldier.
Choir Matriarch Lyra
A siren whose beauty is both ethereal and unsettling. Her skin shimmers with iridescent scales, and delicate crystal growths emerge from her temples like a crown. Her voice carries a haunting, harmonic resonance even in normal speech.
Hermit Construct Oracle
A skeletal, insectoid automaton of tarnished bronze and cracked crystal, missing several limbs and one optical sensor. It moves with jerky, hesitant motions and emits faint clicks and whirs. Arcane energy occasionally sparks from its joints.
Dissenter Finnean
A young merfolk scout wearing Sentinel armor, but with a nervous, furtive demeanor. He avoids direct eye contact and constantly glances back towards the Sentinels' main camp. A small, crudely carved crystal charm hangs from his belt, unlike standard issue gear.
Warden Thrax
A colossal crustacean, its shell fused with jagged, glowing crystal growths that pulse with a sickly light. Multiple stalked eyes swivel independently, and its massive claws are serrated like stone saws. It constantly emits a low, psychic hum that causes disorientation.
Sentinel Echo
A translucent, shimmering figure clad in archaic Netherese arcanist robes. Its form flickers and distorts, occasionally revealing glimpses of stone walls or arcane machinery through its body. Its face is a blank mask of smooth energy.
Merchant Whelan
A stout, weathered human in a thick, waterproofed coat. His stall on the docks is a chaotic mix of surface goods, salvaged Netherese curios, and strange, deep-sea components. He has a shrewd, calculating look in his eyes.
Crystal Growth Symbiote
A cluster of tall, luminous crystal formations that sway gently without water current. They emit soft, harmonic chimes and pulses of colored light in complex, seemingly intentional patterns. They are not a single organism, but a colony that shares a collective, alien awareness.

Chronicle Prelude

Environmental Traits

Legendary Archetypes

✦ Related Cases ✦

The Obsidian Spire's Dread Reckoning

The Drowned Colosseum and the Tamer's Folly