In the rain-drowned city of Varamir, where magic festers in alleyways and justice is sold to the highest bidder, Kael Draven makes his living hunting what others pretend doesn’t exist. Once a loyal Witchfinder of the Inquisition, he now works alone, chasing whispers of rituals and bodies marked with runes that should have died out a century ago.
When the daughter of a wealthy merchant is found dead, her veins blackened and her skin branded with a forbidden sigil, Kael is pulled into a mystery that ties back to the darkest chapter of his own past—the Crimson Sigil, an order thought long vanished.
His only lead is Seren Kaelith, a defiant survivor of that same order, burdened by secrets and hunted by a being known only as the Ash King. Together, they uncover a conspiracy that stretches from the gutters of Varamir to the ruins of burned villages, where power is fed by blood and faith alike.
Magic
Dark Fantasy
Detective
Supernatural
Mystery
Hero
Thriller
Sword and Sorcery
Battle
Conspiracy
Audiobook details
Rating★★★★★ (5.0) (3)
GenreGeneral Fiction, Mystery and Thriller
Length16 mins
Publish dateNov 4, 2025
LanguageEnglish
Table of contents
1Chapter 1
4Chapter 4
2Chapter 2
5Chapter 5
3Chapter 3
About the author
castellanos nicole
Nicole Castellanos is a storyteller drawn to the edge of the unknown — where science, myth, and human emotion collide. With a background in linguistics and a lifelong fascination with cryptic communication, her work explores how language and memory shape identity. The Obsidian Signal is her debut novel, blending psychological depth with cinematic tension. When she isn’t writing, Nicole can be found exploring coastlines, decoding vintage shortwave broadcasts, or sketching story ideas in storm-weathered notebooks.View all audiobooks by castellanos nicole