He knew he would fade into darkness eventually. Unlike some of the others, he had never harbored any false hope of regaining his heart or becoming whole.
He had played both sides of the Organization like the master manipulator he was, but his time was up. AS he sank to the ground, a flurry of thoughts zoomed through his head.
Why did he tell Roxas that he was supposed to destroy him? He had never been one for following orders. He was the only one from Castle Oblivion to escape unscathed; he should have ran after Roxas when he left, begging him not to leave. At the very least, he could have waited until Xemnas sent him out with those "icky" orders, and spirited him away from Twilight Town to a world far enough away that they wouldn't have to worry about the Organization. Hell, even if they had to run forever, it would be better than mindlessly carrying out orders and waiting for the Keyblade Master to finish him off.
As his vision blurred, he swore he was hallucinating- the rational side of him knew it was his impending death, but the wishful side of him saw Roxas kneeling above him, looking down at him with a worried look. He tried to reach up and touch him, but his everything was fading and his strength was gone…
"See… I would miss you…"