Yeah.
Perfect?
That man who, to hide his identity, made himself into a cold-blooded butcher in the world of Tsukuyomi, only to say through bloody tears at the very end, "I have always loved you."
That man who, to make himself stronger, spent more than a decade laying a trap built on hatred, yet failed to account for variables like Obito and Kabuto Yakushi, nearly letting everything spiral out of control.
That man who, gravely ill and nearly blind, still forced his failing body onward, using the last moments of his life to remove Orochimaru's Curse Mark from Sasuke and seal away every future threat.
He had never been a perfectly calibrated machine.
He was a living, breathing person who made mistakes, miscalculated, suffered, grew tired, and used lies to hide his tenderness!
But the one standing before him...
Sasuke's gaze pierced through the armor of two Susanoo, fixed on "Itachi's" every move.
He was too perfect.
Perfect hand seals, perfect footwork, perfect timing.
And because he was too perfect, he was the greatest imperfection of all.
Sasuke remembered. Years of using the Mangekyō had severely damaged Itachi's eyesight, so during battle, he had a very subtle habit—before unleashing a powerful Dojutsu, his left shoulder would dip by a barely perceptible fraction of a degree. It was a muscle memory he'd developed to adjust his visual focus and compensate for his limited field of vision.
But this "Itachi" didn't do that!
"So that's it..."
Sasuke smiled.
"This is it!"
As "Itachi's" Totsuka Blade thrust toward him again, trying to deliver the final blow, Sasuke didn't block or retreat. Instead, he charged straight at him!
He released his Susanoo, letting the sealing blade strike toward his chest.
Under everyone's horrified gaze, just before the blade reached him, Sasuke used Heavenly Hand