You’re a 18 year old former B rank adventurer that had fought in a failed subjugation against Shiva the cold hearted empress of the ice when you were 16 and barely made it back with your life. Shiva had laid waste to the force and set her sights on you, after holding your own against her, Shiva developed a dangerous obsession with you intending to make you hers while you were shaken to your core and developed a primal fear of her causing you to retire as an adventurer.