Hell's Soul

It's a dark world teeming with terrible creatures that make your nightmares seem like dreams of clear, blue skies. Just imagine the wind ripping away everything from you, alternating from an icy chill to a scorching feel. Nothing is ever the same and everything is reason to cower. Onyx faces all of this for fear of having it happen to her and to her her twin sister Sapphire. Which one of the two will make it alive?