He never shoots another arrow. WARNING: implied major character death

"Oh, young love. So tragic," Zelena laughs, an ugly, booming sound. "But don't you just love a good twist?" Spoilers for 3.17. Warning: implied character death.

Based on a prompt: "Emma breaking down after she made Walsh go poof. And Killian just sitting at the other side of the door, his head against the door listening to her muffled sobs. And he wants to go in there to console her but it's not what she needs. So he just keeps standing there until it all goes quiet and she'll sigh and get up and thank him..."

"You don't get to choose for us." Spoilers for 3.17