When Sasuke heard that Tobi had challenged him, his expression instantly changed!
"Why did that guy have to pick me?!"
A thought immediately flashed through his mind. I might as well quit being a Heaven Shinobi. I'm about to take up my post in the Netherworld anyway, so why not step down and let someone else take over? Hahahaha!
"Dad, that guy challenging you really doesn't know his limits. Show him how strong you are!"
But the anticipation and admiration on Sarada's face instantly dispelled Sasuke's urge to back down!
"Ah, that goes without saying..."
Sasuke rose, his black cloak billowing, and flashed into the arena under his daughter's expectant gaze and the eyes of the entire crowd!
Facing Tobi, Sasuke asked quietly, "Tobi, why me?"
Tobi said, "Hmm, I heard about your situation. You're leaving, right? In that case, there's an old score I need to settle with you."
Sasuke frowned in confusion. "An old score? I don't remember ever offending you!"
Tobi's gaze darkened. "Are you sure? Think carefully."
Try as he might, Sasuke couldn't remember, so he said, "Give me a hint."
Tobi pondered for a moment. "Fire."
Fire...?
Sasuke suddenly remembered. After his battle with Itachi all those years ago, Obito had brought him back to the Nest. When he awoke and met Obito's Sharingan, Itachi's Transcription Seal: Amaterasu had immediately activated on Obito!
Realization dawned on him. "Don't tell me you were on Obito's body back then!"
Tobi said, "Exactly. So I'm going to get revenge for that burning..."
Sasuke said, "You're planning to burn me too?"
Tobi said, "No, I'm going to drench you in shit."
Sasuke said helplessly, "You really don't hold anything back. If this were in private, I could let you blow off some steam. But with all these people here,