What do you think of this fantasy book idea?

A fantasy adventure novel takes the reader on a journey through a world inspired by Norse mythology, where gods, mortals, and magical beings coexist. The plot revolves around two main characters with unique abilities, Freyja and Haki, who are bound by fate to protect the world from an impending cataclysmic event known as the "Great Doom." The story starts by introducing Freyja, a young, skilled Viking warrior with the ability to communicate with the Norns, three goddesses who weave the fabric of fate. Haki, Freyja's companion, is a mysterious, brooding figure with the power to control time and space. Together, they embark on a perilous quest to unite the tribes of Midgard, forge alliances with other realms, and gather magical artifacts to defeat the dark forces threatening their world. Throughout her journey, Freyja faces numerous challenges as she discovers her true potential, grapples with the weight of her destiny, and forges strong bonds with her allies. The story features epic battles, heart-pounding action, and poignant character moments, all set against the backdrop of a richly detailed world inspired by Norse mythology. Ultimately, the fate of the world hangs in the balance as Freyja and Haki confront their greatest foe yet, a malevolent force that seeks to bring about the Great Doom, in a climactic battle that will decide the course of history. The book explores themes of friendship, courage, self-discovery, and the enduring power of fate and friendship, as Freyja navigates the challenges of her epic quest, ultimately emerging as a strong, inspiring heroine.