The White Raven - Character Concept

This is a character concept of a wraith assassin made of shadows.
Levi is a monster whose origins are unknown. A creature made out of shadows, his kind have a ravenous appetite for life force and souls. For thousands of years he has lived taking the souls of humans and creatures to quell his hunger. But, one day, Levi begins to feel emotions and empathy where there were none before in his heart.
After betraying his wraith-kin in order to save a small village who treated him with kindness, Levi sets out to discover what it means to be human. Despite his cold and inhuman nature, he can be quite curious and playful.