"For the Future":
* Luz and Belos' Confrontation: Luz and Belos have a final, epic showdown. Luz uses her enhanced abilities to fight Belos, while he unleashes his full power as the Collector's puppet. The fight leads to a major turning point in the story.
* The Collector's True Nature: The Collector, who had been manipulated by Belos, finally reveals his true self, and his intentions are more complex and nuanced than they initially appeared.
* Sacrifice and Redemption: Luz and her friends face difficult decisions and sacrifices to protect the Boiling Isles and the human realm. There is a moment of redemption for a character previously thought to be irredeemable.
* The Ending: The season ends on a bittersweet note, with the future of the Boiling Isles and the human realm uncertain. There are hints of a new era beginning, but many questions remain unanswered.
Important Note: The series is currently still ongoing and there are plans for a fourth season. The Season 3 finale was intended to be a satisfying conclusion to the story, but it also leaves room for future adventures.