Also, Julie Plec reveals why Bamon never happened.

Katherine Pierce was a staple of theVampire Diariesuniverse.

But at one point in the series, the writers had to fight to tell more of her story.

Nina Dobrev as Katherine Pierce on ‘The Vampire Diaries’

Nina Dobrev as Katherine Pierce on ‘The Vampire Diaries’.Tina Rowden/The CW

And then, eventually, Katherine met her demise, a decision that also came about following those negotiations.

“But we wanted to service that relationship in the canon a little bit.”