A girl who was never meant to become a soldier. A past that won't let her go. A future shaped by fire and the pursuit of transcendant power.

When Haevynne's home is razed by the ethereal flames of a heavenly bird, she vows to never allow such a tragedy to happen again. Driven by the madness of loss and the rage of vengeance, Hae is forced to leverage every tool at her arsenal to continue barreling forward, three steps at a time, following in her sister's footsteps of joining the Aleksarian Guard and becoming a hero.

But power comes at a price.

What are the consequences of her burning ambitions, and where will they lead her?

Osea is a story about identity, sacrifice, dreams, and love. It explores the price of power, the impossibility of a wish fulfilled, and the haunting decisions that we make in order to protect the ones we cherish. It challenges what it means to be a "hero" and explores the visceral consequences of exerting agency upon a vicious and dangerous world.

  • "This richly nuanced, imaginative, and stimulating young adult tale proves S.E.T. is a very creative writer with a lot of potential."

  • "I was glad to know it was the first in a series, for that meant someday I would have a chance to spend more time in it."

  • "Osea is a novel built on intricate world building, complex and diverse characters, and a plot that makes turning the pages incredibly difficult to stop."

  • "If you are lucky every 3-5 years you will come across a book that you can truly describe as awesome and this is such a book."

  • "The highly imaginative worldbuilding, complete with giant eldritch monsters, gorgeous magic, and a touch of humor, made every page an adventure."

  • "Osea is a breath of fresh air as a veteran fantasy fanatic."

New to Isarine?

Plunging headfirst into a new fantasy world can be intimidating. Check out some of the supplementary materials like short stories, art, and terminology.

Discover the extraordinary tale

Meet Haevynne, the quiet and courageous protagonist whose quest for truth leaves her fate hanging delicately in the balance between love and vengeance. Follow her as she encounters terrifying feral monsters, formidable dueling opponents, and a plot of assassination that threatens to plunge her kingdom into chaos. Will she rise above the perils and conquer her demons, or succumb to the dark forces that tug at her from the shadows?

Osea is past-faced action-packed story, guaranteed to leave you turning page after page until you reach its thrilling conclusion!

Unleash your imagination with the power of weaving

In the world of Isarine, essence is a magical elemental energy that exists in all life and nature. Hunters harness this life-force for combat, weaving the green essence of plants and leaves into powerful blades of wind, or transmuting the golden light from the sun into vicious bolts of lightning. Discover the power of weaving through thrilling duels and hunts as Haevynne battles her way toward her destiny.

Lose yourself in the world of Isarine

Discover the secrets and wonders that await in the fantastical world of Isarine. From the lightless perils of the Black Forest, to the beautiful scarlet stained snowscape of Frostwyrm Lake, adventure with Haevynne as she navigates the strange and mystical world, encountering magical creatures, violent beasts, and unforgettable allies.

A Journey of Self-Discovery

Witness Haevynne’s transformation from a scrappy hunter to an unstoppable hero as she comes to terms with her past and her identity. Join her and her band of unforgettable allies as she vanquishes each new challenge, racing ahead three steps at a time. How will she break the limits that bind her? And when her journey reaches its climax, who will she reveal herself to be?

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