Yamato shook his head. "That's impossible. You can't undo the Fourth Hokage's Sealing Formula."
Mukade snorted. "Of course I know that. The Fourth Hokage's seal is far beyond what my Puppet Technique can touch."
Under Naruto and the others' watchful gazes, Mukade sat cross-legged at the very center of Minato's seal, where the Flying Thunder God Kunai was located.
Naruto and the others were somewhat astonished. "What is he trying to do?"
Mukade said, "Since I can't undo the seal, I'll devour the Sealing Formula along with it!"
Mukade recited several incantations, then pressed both hands against Minato's sealing altar and absorbed all the Sealing Formulae on it into his body.
At that moment, enormous purple Chakra erupted all around them. It was the Dragon Vein's Chakra.
"Damn it!"
Yamato cried out in alarm. He had not expected Mukade's thinking to be so erratic—he actually intended to devour the Fourth Hokage's Sealing Formula.
Yamato and Naruto rushed forward to stop Mukade, but they were already too late.
Mukade gripped Minato's Flying Thunder God Kunai with both hands and forcibly pulled the sealed kunai out.
The Dragon Vein was completely unleashed. A massive column of purple energy erupted from beneath the ground, sweeping Naruto and Yamato into it.
Naruto felt as though he had slept for a very long time. His mind was foggy, and in his daze, he heard a woman's beautiful singing.
"♪The light rising high above Rōran♫"
"♪A heart filled with countless emotions♫"
"♪O Dragon Vein that must be protected♫"
Naruto groggily woke from his slumber.
He found himself in an Underground Space, surrounded by chaotic stone pillars, with a perforated stone ceiling above him.
"♪Sand and storms arrive together♫"
Drawn by the maiden's singing, Naruto looked toward where the song was coming from.
He saw a girl