Brace yourselves, The Vampire Diaries fans, because it’s time for this season’s major death(s). Kat Graham hints at which characters may be departing.

This has been a year of transition for The Vampire Diaries in a lot of ways. Elena has transformed into a vampire, Jeremy has become a vampire hunter, and so far we’ve already lost one character we’ve known since season 1, Carol Lockwood.

Further, we’ll be losing at least one regular character, Klaus (Joseph Morgan), to the spinoff series The Originals, and Rebekah (Claire Holt) might join him there, too, along with Hayley (Phoebe Tonkin) and Elijah (Daniel Gillies).

But it wouldn’t be The Vampire Diaries without a massive dose of tragedy, so this isn’t the end of it by a long shot. TV Guide has spoken to Kat Graham (Bonnie), who reveals that in the second half of season 4, “There are huge deaths coming up.” There is one death in particular which will get to fans, she says. “It’s one of the most amazing scripts I’ve read; I actually cried when I read it!”

And we’re willing to bet that she’s not talking about April or Shane. “It’s actually one of the biggest deaths since the beginning of The Vampire Diaries,” she reveals. “It’ll change the nature of the series; it’ll change the nature of the characters going forward; it’ll change the dynamic; it will completely alter everything.”

Now, this is intriguing. Could it be Bonnie who dies? Jeremy? Tyler? Or perhaps – and we want actual freshly baked cookies if this turns out to be true – Elena herself, leaving Nina Dobrev to slip into the role of Katherine on a permanent basis?

Share your theories in the comments! And don’t forget that The Vampire Diaries returns tonight at 8/7c on The CW with the episode “Catch Me If You Can.”