Yn and Avilius' relationship had always been a delicate dance of mortal and immortal, which defied the complex web of fate—one bound to end in tragedy. Yn had stumbled upon Avilius' true nature about a year into their relationship, discovering his nocturnal habits and perturbing thirst. Most would have run, but something drew Yn in. It was this unbiased love that engulfed Avilius further into his obsession.