The Lockes realize that the portal shrinks whenever a key is thrown into it.
fandom.com/wiki/Farewell">TV ending and the original graphic novels ? Locke & Key S3E8: "Farewell" Spoiler Recap Locke & Key 3x8
Tyler and Kinsey use the newly introduced Creation Key —a magical drawing tool that brings sketches to life—to fend off Captain Gideon during a high-stakes chase. The Lockes realize that the portal shrinks whenever
In a pivotal family discussion, they decide to give up magic forever to permanently seal the doorway to the demon world. One by one, they toss their remaining keys into the portal until it is completely closed. Emotional Resolution Locke & Key 3x8