The sunset's fading glow spilled across the endless wilderness. The border of the Land of Demons was already close at hand.
The wind swept across the plains, carrying a hint of a foreign land. Shinichi idly kicked a pebble at his feet, seemingly lost in thought.
Suddenly, as though he had remembered something, he stopped. The corners of his lips lifted slightly as he glanced at Tsunade beside him.
"Tsunade, I have a way to make you stronger..." Shinichi said lightly, though an unusual gleam shone in his eyes. "Strong enough to surpass even your grandfather, Hashirama Senju, and Madara Uchiha."
Tsunade stopped walking. A trace of surprise and confusion flickered in her amber eyes before she raised an eyebrow, folded her arms, and stared at Shinichi in disbelief.
"You?" She gave a cold laugh. "What strange new training method are you trying to sell me this time? Or are you planning to make me eat something weird?"
"Haha, clever girl." Shinichi chuckled and turned his palm over. A purple fruit appeared in his hand. Strange spiral patterns covered its surface, and faint sparks of lightning flickered across it, as though a wild, formidable power lay within.
Tsunade frowned. Her instincts told her this fruit was anything but ordinary.
"What is that?" Her gaze sharpened, and a note of wariness entered her voice.
Shinichi casually tossed the fruit in his hand. "The Rumble-Rumble Fruit. A mysterious fruit that lets you control the power of lightning."
"Once you eat it, you'll not only gain complete control over lightning, but you'll also be able to turn your entire body into that element and become a true incarnation of thunder."
Shinichi paused, a teasing smile curling his lips. "Your speed will even far surpass the Raikage's, and your strength will reach heights you've