True Blood Star Dishes on Shocking Sex Twist: “My Jaw Dropped”

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 HBO

Sunday's episode of HBO's True Blood was truly shocking.

Bill (Stephen Moyer) ended up getting it on with his maker Lorena (Mariana Klaveno).

After telling her he'll "never, ever" love her, he threw her down on a bed and had sex with her — as he twisted her head 180 degrees. The scene cut out with Lorena telling "William" she still loves him.

PHOTOS: Before they were on True Blood

It "was actually the most shocking thing that I've ever read in a television script," Klaveno says E! News. "My jaw dropped on the floor when I read it and thought, 'Oh my god, I actually have to do that?!"

Shooting "was a little uncomfortable, but we got through it," she says. "I'm working with the best people from the writers to the producers to the other actors and at the end of the day, I'd rather be on a show that's provocative and pushes the envelope than one that doesn't."

Could Bill fall back in love with Lorena (next week's show hints that his girlfriend Sookie [Anna Paquin] hooks up with vamp Eric [Alexander Skarsgard]?

"You see some new dynamics in our relationship, and maybe a little bit more of the past – maybe some changes in our relationship as well," Klaveno teases.

Klaveno says she loves "playing" Lorena because she's "a delicious character."

The only downfall?

"Everybody hates me!" she says. "I'll take it as a compliment. I'm acting! I promise. It's not me in real life, I promise. I'm actually, normally a nice person."

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