: Fearing Zelena’s romance with Hades, Regina enlists Cora (now in the Underworld) to help separate them.
: After Regina was injured playing with magic, a young Zelena was brought in to heal her. They bonded instantly, unaware they were sisters. [S5E19] Sisters
: David’s twin brother, James, impersonates David to lead Emma and Robin Hood into a trap. : Fearing Zelena’s romance with Hades, Regina enlists
: The ending sets up further conflict as Peter Pan and Rumplestiltskin kidnap Zelena to use as leverage against Hades. : David’s twin brother, James, impersonates David to
: When Cora realized their bond could interfere with her plans for Regina to become Queen, she used water from the River Lethe to erase their memories of each other. Present Day: The Underworld Conflict
: The episode marks a major turning point where Regina encourages Zelena to seek out Hades, signaling a move toward trust between the sisters.