First Look: Dexter Finale Art Boasts an Epic Showdown Between Brother and Sister

“Someone’s got it coming” in Dexter‘s Season 7 finale — but who?

A chilling new billboard touting the Showtime saga’s upcoming season ender (airing Dec. 16, 9/8c) hit streets everywhere this week, and as soon as we got a glimpse of it — and its ominous message, quoted above — we hustled to bring it straight to you. (Spoiler Alert: Mission accomplished!)

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Black and white and blood red all over, the artwork features “siblings” Dex and Deb in a staredown for the ages, the only thing between them the promise of an impending battle.

Examine the poster below, and then hit the comments with your own Dexter theories!

Dexter Season 7 Final Artwork