[s3e20]: Kansas

: Glinda tries to recruit Dorothy to join the Sisterhood of Witches. Fearing she is being replaced, Zelena attempts to kill Dorothy. However, Dorothy splashes her with a bucket of water, appearing to melt her.

: Zelena faked her death. She waits until Glinda gives Dorothy the Silver Slippers to return home. Once Dorothy is gone, Zelena reveals herself, banishes Glinda to the Enchanted Forest, and cements her control over Oz, realizing she can never be "good" if she is always second best. The Present: The Battle for the Baby [S3E20] Kansas

: Rather than killing Zelena, Regina chooses the path of a hero. She spares her sister’s life, hoping she can eventually find redemption, and locks her in a cell. : Glinda tries to recruit Dorothy to join

: This episode is the definitive proof of her transformation. By using light magic, she proves she is no longer the Evil Queen. : Zelena faked her death

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).