The Eighth Battle ended with the souls of four former Kage ascending to the afterlife and Izuna breaking free of Impure World Reincarnation to escape with his life.
Sasuke stood on the island, now almost entirely reduced to ruins, watching the tides rise and fall.
Unlike the first seven battles, the eighth had not brought him within a hair's breadth of death.
Ultimately, State Four of the White Cursed Seal offered such comprehensive power that it was virtually flawless.
Even with further restrictions, it was hard to push Sasuke to the brink of death... as the first seven battles had.
But... the intense mental strain and high-intensity combat had already achieved the Trial's intended effect.
Sasuke went to where the clone had disappeared and picked up the scroll left behind by Mu, the Tsuchikage.
A space-time vortex drew Sasuke back to Blue Moon Island.
Kabuto Yakushi smiled. "Sasuke-kun, that was a truly spectacular battle!"
This battle might not have been as fierce as the earlier ones, but it was the one Sasuke had put the most effort into! Just devising a way to demonstrate an extraordinary ninjutsu before each of the four Kage had made him rack his brains.
At that moment, what everyone most wanted to know was undoubtedly this.
"What's in the scroll the Tsuchikage left behind?"
"Take a look." Sasuke handed the scroll to Orochimaru.
Orochimaru unrolled the scroll and examined it closely. "These are... Iwagakure's four secret techniques!"
The four secret techniques were the collective name for the Added-Weight Rock Technique, Ultra-Added-Weight Rock, Light-Weight Rock Technique, and Ultra-Light-Weight Rock!
Even the knowledgeable Kabuto Yakushi was astonished. "As I recall, without chakra from Iwagakure's Kamizuru Clan, you can't perform these four techniques even if you know the hand seals. They're known as ninjutsu that surpass a kekkei