All Star Wars fans (if you haven’t seen Empire Strikes Back do not read ahead) know that Luke and Vader engage in a lightsaber duel that leads them over the city’s central air shaft. Vader severs Luke’s right hand, disarming him, and corners him over the air shaft. Vader tells him that Obi-Wan never told him the real truth about his father, but Luke shouts that Vader killed his father. Vader tells him that Obi-Wan lied to him, and states that he didn’t kill his father, but that he is his father. The image above shows what the scene looked like before CG was added. Continue reading for more.