NEW YORK (AP) -- "Vampire Diaries" fans note: Nina Dobrev warns of a "gut-wrenching" season finale in which "people will die."
The actress says she was as surprised as anyone the key plotline involving a "sun and moon curse" turned out to be a ruse for character Klaus, who's scheming to become a vampire/werewolf hybrid.
She acknowledges it "broke her heart" to find out that much of what was written the past two seasons was "a big joke." But she also thinks it was a clever move to make Klaus appear more diabolical.
Dobrev says she hasn't been told, but "it's assumed" she will eventually have to play a third character — the original to the two doppelgangers she currently plays.
The "Diaries" finale airs on the CW network on May 12.
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