The battle over the Omega Key leads to decisions that can't be undone — and a dangerous door that promises plenty of trouble ahead.

Check out everything you’ve ever wanted to know about Locke & Key. Get to know the cast, watch bonus videos and so much more.

Before diving into the conclusion of their story, here’s a refresher on all the characters — and the actors who portray them — in Season 3 of Locke & Key.

So why did Jackie die in Season 2 of Locke & Key? As fate would have it, the person who didn’t want magic ends up getting the shortest end of the stick.

And it’s clear — they may have said goodbye to the Lockes when Locke & Key recently wrapped after three heartwarming, fantastical, and dramatic seasons, but the kind of magic that’s intrinsic within a …

The first look at Season 3 of Locke & Key is here, and all signs point to more mysterious adventures — and plenty of hidden surprises — for the Locke family.

Unlock all the powers of every new magic key used in the final season of ‘Locke & Key’

In the final episode of the show’s final season, the possessed 18th-century British soldier is finally defeated when Kinsey Locke (Emilia Jones) stabs him in the chest with the Alpha Key.

Will there be a Locke & Key Season 4? Saying goodbye to the Locke family and leaving Matheson is a devastating prospect, but there will not be another season of Locke & Key after it comes to its …

So — brace for major Season 3 spoilers ahead — when his body is taken over by the demon Dodge in this latest season of Locke & Key, it’s especially jarring to see the beloved Bode become pure evil.