"This is the end for you my master." The animosity in his best friends voice shattered the remnants of Obi-Wan's heart. The absoluteness of the statement threatened the tears he had been holding back to fall. How could the boy he raised have fallen so far. He blamed himself, but there was no point dwelling on what-if's he had to focus on the here and now.
As Anakin reassigned himself into the Djem so attack position, Obi-Wan made the decision to deactivate his lightsaber and toss it aside. Rather than have to kill his brother he would die. He could not live with himself if he brought any harm to Anakin.
Seeing his former master in such a vulnerable position broke Vader's resolve, he like his master deactivated his weapon and surveyed what he has accomplished in the last few minutes. His pregnant wife lay before him on the platform unconscious because of him, he had broken his brother's heart completely and there was a room of bodies he has slain behind him. It made him ponder: was this worth it, he had sold is soul to the devil to save his wife. But his wife was injured by his hand. And his soul was far more broken than he anticipated. With a jolt he realised it was all a lie, Palpatine never had any intention of saving his wife. "What have a done?" Anakin said with such anguish and torment.
It was this that made Obi-Wan's head snap up to meet his brother's eyes. They were Blue, not the gold colour they were moments before. He sensed the force shift away from the darkness so he pressed the opportunity for an explanation. "Why?" he requested, the volume barely above a whisper.
Collapsing onto his knees, Anakin Skywalker answered the question. "For her", motioning to the still form of his wife, "my...soul...for...her...life". Hysterical laughter staggering every syllable.
"For her". The Jedi master echoed. He understood what he had to do. Walking over to his lost padawan he made to comfort him. But instead knocked him out with a little force suggestion. Carrying the unconscious senator and then his apprentice to the Nubian starship he repeated. "For her"…
