Under the Vibroblade

AU oneshot. Halfway to the Imperial palace med bay, Luke dropped himself on one of the stairs and told Darth Vader, wide eyed and panic in his voice, "I can't do this, Father." "Yes you can, Luke." "No, I can't, I can't!" Luke did something he hadn't done since he was a small boy and wrapped his arms around his father's leg as he begged him, "Please don't make me do this!"