She died in Season 5, Episode 15 Gone Girl next to her daughter Nadia Petrova, who died of a werewolf bite. She was sucked into Hell after not being allowed to go to the Other Side. ... Shortly after, she was killed by the Mystic Falls Gang after Bonnie sent hellfire back to hell while Katherine was there.

Does Katherine ever die for good?

But despite her many heinous actions and the people she killed, there was more to Katherine than met the eye. She eventually died but once again made her comeback later in the show. Here are 10 questions the fans might still have about Katherine.

Does the cure kill Katherine?

The cure did NOT kill Katherine. Having the Cure drained out of by Silas caused her to rapidly age. If Elena were to take the cure, and then Damon drain it out of her, Elena would age a couple of years and Damon would be fine providing no-one drains it from him.