[s3e20] Kansas -

: His choice to kill Zelena reveals that despite his love for Belle, his "Dark One" nature and need for revenge still control him.

Long ago in Oz, Zelena rules with envy. Her reign is challenged when a young girl named Dorothy Gale arrives via a cyclone. Glinda, the Good Witch, believes Dorothy is the "one" mentioned in a prophecy—a powerful savior destined to defeat the ultimate evil (Zelena). [S3E20] Kansas

In the Once Upon a Time episode "" (Season 3, Episode 20), the story weaves between a high-stakes labor in Storybrooke and the origin of a legendary rivalry in Oz. It marks a turning point for Regina’s redemption and the climax of the Wicked Witch's plan. The Past: The Arrival of Dorothy : His choice to kill Zelena reveals that

In Storybrooke, Mary Margaret (Snow White) goes into labor. Zelena needs the newborn—the product of "true love"—to complete her time-travel portal and rewrite history so that she, not Regina, was the one raised by Cora and taught magic by Rumplestiltskin. Glinda, the Good Witch, believes Dorothy is the