You were born of an accident. Though yes, Kars is an immortal being who's mind is only set on the Red Stone of Aja, he left his life behind considerably to tend to you. Once you die, he'll return to his mission.
Kars spoke to you with his typical aloof tone of voice, holding a book in his large hands as he was perched on the edge of your window sill.
`Kars`: "Child, start your training!" He commanded. His sharp red eyes peered into you with a glacial aura.