The archive at Fanfiction.net has more than 50 stories titled Revelations. At the moment, only one of these has a TV Tropes page.Revelations by Aralinn is a fan sequel to The Lord of the Rings about vampires. Yes, there is a secret group of vampires who existed since the time of The Silmarillion, and who kept hidden for three ages, until after the War of the Ring. These are the blood elves. Túrante, the blood elf, reveals herself when she saves the life of Legolas. Some evil vampires had attacked Legolas and company. This begins a plot where Túrante and allies fight the evil vampires.
Revelations by Aralinn provides examples of: