The series finale of Locke & Key , titled (Season 3, Episode 8), brings the Locke family's magical journey to a definitive close. The Final Battle and Gideon’s Defeat
The Lockes realize that the portal shrinks whenever a key is thrown into it.
The series ends with the Lockes finally finding peace in Matheson without the burden of the keys. Tyler heads back to Montana, Kinsey continues her filmmaking, and Bode adjusts to a normal childhood.
fandom.com/wiki/Farewell">TV ending and the original graphic novels ? Locke & Key S3E8: "Farewell" Spoiler Recap
At Keyhouse, Kinsey stabs Gideon with the Alpha Key , a weapon specifically designed to kill demons. Gideon is then pushed into the demonic portal in the Great Room. A Difficult Decision
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
The episode begins with Kinsey, Tyler, and Ellie narrowly escaping Gordie Shaw's collapsing mind.
