[s3e13] Witch Hunt -

"We didn't just come back," Regina Mills whispered, her eyes sharp and cold. "We were brought back. And whoever did it took something from us."

As the town gathered, a hooded figure lurked in the shadows. Emma gave chase, her heart pounding against her ribs. She cornered the figure in the woods, but instead of a witch, she found a flying monkey—a winged beast that shrieked before transforming into a cloud of green smoke. The Green Shadow [S3E13] Witch Hunt

Regina wasn't just talking about memories. People were vanishing. One by one, citizens like Little Boy Blue were being snatched from the streets, leaving behind nothing but a lingering scent of ozone and the feeling of being watched. A Thief and a Queen "We didn't just come back," Regina Mills whispered,

She found the intruder in her own bedchamber. It wasn't a monster or a king, but a woman with a chillingly familiar smile and skin that shimmered with a sickly green hue. Emma gave chase, her heart pounding against her ribs

The episode ( Season 3, Episode 13 of Once Upon a Time ) centers on the arrival of a new, formidable threat in Storybrooke and the Enchanted Forest: Zelena , the Wicked Witch of the West.