Blood Omen: Legacy of Kain introduces the fictional setting of Nosgoth. In the game, the player takes the role of Kain, a human nobleman, who is murdered and given the chance to exact revenge on his assassins by becoming a vampire. He travels Nosgoth, slaughtering the corrupt sorcerers of the Circle of Nine in hopes of discovering a cure for his vampirism, but gradually begins to view his transformation as a blessing over the course of the story.