“Naruto's master and the greatest loser in the series — he dreamed of peace, and his student made it real.”
Natural energy integration from Mount Myoboku — he can't enter perfect Sage Mode alone, so he fuses with two toads to stabilize the transformation.
Hardens his hair into thousands of needles fired as a barrage — an original wide-area suppression technique.
A massive-scale version of the Rasengan — the original technique he passed to Naruto, now fully realized.
An optimist built from accumulated failures. He lost students, never achieved his dream, and called himself a legend — yet he genuinely believed the world would get better. He passed that belief to Naruto, and Naruto made it real. His whole life was a message addressed to his student.