Tobi claims to be Madara Uchiha. He tells Sasuke he isn't an enemy. He reveals a shocking truth: he knows everything about Itachi. Sasuke lashes out, his Amaterasu activating automatically to kill Tobi. Tobi survives, proving his power is beyond comprehension. The Tragic Truth Tobi begins to unravel the lie Sasuke lived. Itachi wasn't a monster. He was a martyr. He killed the clan to prevent a civil war.
The battlefield is eerily quiet. Sasuke Uchiha stands over the lifeless body of his brother, Itachi. Rain washes away the blood and the years of hatred. Sasuke collapses from exhaustion, his mission finally complete—or so he thinks. A New Guardian Naruto Shippuuden (Dub) Episode 139
Before the Leaf ninja can reach Sasuke, a masked man named Tobi arrives. He claims Sasuke for himself. He takes the unconscious Uchiha to a safe location. When Sasuke wakes up, he is bandaged and trapped. Tobi sits in the shadows, his voice changing from playful to chillingly serious. The Mask Slips Tobi claims to be Madara Uchiha
He spared Sasuke because he loved him more than the village. The Weight of the Truth Sasuke lashes out, his Amaterasu activating automatically to
Naruto Uzumaki’s world shatters in Episode 139, titled The Aftermath of the Storm