Throughout the book , Slim wages war on the monsters with his girlfriend and later his wife , Rya Raines .
Slim mainly uses his psychic powers to hunt Goblins , a kind of monster that seems to have the ability to mimic human beings .
Throughout the book , Slim wages war on the monsters with Slim 's girlfriend and later his wife , Rya Raines .
Slim mainly uses his psychic powers to hunt Goblins , a kind of monster that seems to have the ability to mimic human beings .