Theme: Ancient history, forgotten magic, underwater ruins
Geography: Submerged temples, broken cities, glowing algae
Culture: Scholars, treasure hunters, cultists
Dangers: Tidebound sirens, deep choir voices, cursed relics
Factions: Deepwatch Priests, relic hunters
Trade: Ancient artifacts, rare runes, lost knowledge
Magic: Old magic, unpredictable
Adventure Hooks:
A ruin rises from the sea
A relic causes madness in a nearby town
Sirens claim a new territory