On Sunday, executive producerJason Rothenbergannounced that the CWs post-apocalyptic sci-fi dramawill end with season 7.

The overarching theme of this brutal, bloodthirsty show has always been the fight for survival.

I think thats an interesting way to put it, Rothenberg tells EW.

The 100

Sergei Bachlakov/The CW

Id say thats probably, well… itll be our version of a happy ending, how about that?

The showrunner laughs before continuing.

But I definitely can safely say that were trying to say something more with season 7, he adds.

The ending of a story always is the point of the story, the moral of the story.

We have yet to reveal the moral of the story, but it will be revealed in season 7.

Theres a higher purpose.

But now the showrunner is opening up about how it might have changed over the years.

There were a few seasons in the middle of the run where we didnt know, Rothenberg says.

I knew what I wanted it to feel like, I knew what I wanted it to say.

Its much easier knowing.

Had they said no and wanted a season 8, I was going to be out of here anyway.

Getting to end on our terms, its a rare thing, and Im grateful for it for sure.

The 100s season 6 finale airs Tuesday, Aug. 6, at 9 p.m.

ET on the CW.