The first vampire slayer was a girl named Sineya (as far as I know, her name is only mentioned once on-screen, when Willow, Giles, and Xander invoked the Enjoining Spell at the end of Season 4).
Unlike all subsequent Slayers, Sineya's power came from being bound directly to a shadow demon by a trio of shaman. Thus she was notably stronger and faster than other Slayers, but far less "human".
(There is a graphic novel titled Tales of the Slayers, which details the origins of the First Slayer; the story is briefly told in an episode of the final season of Buffy as well.)
The first game that was released was just simply called "Buffy the Vampire Slayer".
"welcome to the hellmouth" first episode of Buffy the vampire slayer
the first book of Buffy the vampire salyer is coyte moon.
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Get It From Vampire Slayer E At Darkovia Forest
Reading the Vampire Slayer was created in 2001.
Buffy the Vampire Slayer began in 1997 and ended in 2003.
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