Lilith is a figure out of Jewish folklore, supposedly Adam's first wife. She was made out of the same soil as Adam, and refused to be subservient to him, instead leaving Eden on her own terms. Not sure how tradition says she dies, but some library/Internet research would be a good start.As for some new ideas about how you might kill a vampire with a Judeo-Christian flavor... how about some sort of Kabbalah inscription, or the use of some early Christian symbols (the cross was just one of many).
My understanding is that Lilith is a Jewish figure, never a Christian one. But I think the Lilith story could make some great fiction. I don't think lilith is dead - she continues to plague the decendents of Adam & Eve, out of jealousy or whatever other motive one might ascribe.
How about a story sympathetic to Lilith? If she got mixed up with vampire lore I think it was because anything threatening (crops failing, babies dying, losing a spouse) could be attributed to "forces of darkness.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.