At the border of the Land of Akatsuki, Kakashi felt an inexplicable panic.
"Sasuke, use your Sharingan to keep an eye on your surroundings. Naruto, don't act rashly, wait for my command before moving. Sakura, prepare your medical Ninjutsu and be ready to provide support at any time."
Kakashi whispered his instructions, his Mangekyo Sharingan beneath his mask already subtly spinning.
The Hashirama cells within him also began to activate, and Chakra surged through his Chakra pathways like a tide.
After injecting the Hashirama cells, his Chakra reserves were ten times that of an ordinary Jonin, yet facing the powerful aura emanating from a distance, he still dared not relax even a bit.
The enemy he had just sensed was getting closer and closer. The immense oppressive feeling made his hand, clutching his ninja blade, tighten slightly.
Kakashi whispered, "Sasuke, if there's danger, immediately summon reinforcements."
Sasuke nodded, gripping the custom kunai his father had given him, his crimson Three-Tomoe Sharingan vigilantly scanning his surroundings.
"I know, Kakashi-sensei. I'll help you keep an eye on the enemy's movements."
Before he finished speaking, a white figure suddenly appeared about thirty meters in front of the four.
Isshiki floated in mid-air, his pale skin glowing eerily under the scorching sun, the cracks on the long horn at the back of his head even more pronounced, and his previously sluggish Chakra now became turbulent.
He stared at Kakashi, his eyes full of disdain. "I didn't expect that besides Sasuke, this blond kid's talent is also quite good. What a pleasant surprise."
Naruto shouted indignantly, "My name is Namikaze Naruto, not blond kid."
Kakashi's pupils constricted, and he instantly shielded the three behind him, his Chakra surging. "Be careful, the opponent is very powerful."
Isshiki sneered, and his figure suddenly vanished.
Fortunately, Kakashi was a speed-type ninja and could keep up with Isshiki's speed.
His heart tensed, his Mangekyo Sharingan spinning rapidly, catching the trajectory of Isshiki's teleportation, he was heading straight for Sasuke.
Kakashi quickly formed hand signs.
Shadow Clone Technique!
Ten Shadow Clones instantly appeared, surrounding Sasuke. The Shadow Clones condensed a pale blue lightning glow in their hands.
Raikiri: Ten Consecutive Strikes!
The ten Shadow Clones charged towards Isshiki simultaneously, their Raikiri tearing through the air with sizzling sounds, forming an impenetrable attack net.
A hint of mockery flashed in Isshiki's eyes as he raised his hand, condensing a dark purple Chakra barrier. "Such a level of attack, and you dare to show off in front of me?"
With a wave of his hand, the barrier erupted with immense impact force, instantly blasting apart the three Shadow Clones at the very front, turning them into dissipated Chakra.
The remaining seven Shadow Clones still persisted, their Raikiris attacking in succession, attempting to tie down Isshiki.
"Useless." Isshiki snorted impatiently.
Countless black rods formed from the dark purple Chakra around him shot towards the Shadow Clones.
The black rods were incredibly fast, instantly piercing through the bodies of four Shadow Clones, leaving only the last three Shadow Clones still holding on.
But just as Isshiki blasted apart the last three Shadow Clones, he suddenly noticed something was wrong.
The lightning-attribute Chakra in the air suddenly became dense, and a dazzling blue light flashed before his eyes.
"Your opponent is me!"
Kakashi's voice came from behind Isshiki, his Mangekyo Sharingan now glowing with a faint blue light, and pale blue Lightning Chakra enveloped his body.
This was his exclusive ability, "Lightning Flash," developed by fusing Lightning Release with Mangekyo ocular jutsu, its speed almost reaching the speed of light, allowing him to perform short-distance teleportation using Lightning Release. Even Isshiki's Byakugan found it difficult to track.
Isshiki's heart jolted, and just as he was about to teleport away, he felt a sharp pain in his chest.
He looked down and saw Kakashi's right hand, gripping the lightning blade, had pierced through his heart.
The pale blue Lightning Chakra raged within his body, destroying his Chakra pathways.
"You... a human, can actually injure me?"
Isshiki's eyes were filled with disbelief. He hadn't expected a mere lower-class human to be able to injure him after his reincarnation.
"Pfft..."
He violently spat out a mouthful of dark purple blood, and the Chakra around him instantly became unstable.
He could feel the wound in his heart constantly expanding. If not dealt with immediately, this body of Boro's would be completely ruined.
"Kakashi... you're asking for death."
Madness flashed in Isshiki's eyes, and the Chakra around him suddenly surged, the black markings on his skin spreading across his entire body, and the long horn at the back of his head also became complete.
He had unleashed 100% of Karma, reverting to his true Ōtsutsuki form. As his true form was unleashed, the wound on his chest healed at a visible rate.
"With my true form fully restored, I only have three months left to live but before that, I'll kill you first!" Isshiki roared, his figure suddenly vanishing.
The next second, he appeared in front of Kakashi, kicking him fiercely in the chest.
"Pfft!"
Kakashi spat out a large mouthful of blood, his body flying backward rapidly, finally crashing against a rock, which instantly shattered.
He struggled to get up, a sharp pain in his chest, clearly indicating several broken ribs.
"Kakashi-sensei!" Naruto exclaimed.
He wanted to rush over, but he was locked down by Isshiki's Chakra and couldn't move.
"Don't worry, once I kill him, I'll capture all of you." Isshiki sneered.
He raised his hand to condense dozens of black rods, which shot towards Kakashi. The black rods whistled through the air, their speed astonishing.
"I can't... let him harm the children."
Perfect Susanoo!
Kakashi's Chakra surged wildly, and a blue Susanoo condensed around him. The giant blue ethereal figure, wielding a long sword, shielded Kakashi, Naruto, Sasuke, and Sakura within it.
Boom!!!
The black rods collided with the Susanoo, creating a deafening roar.
The Perfect Susanoo trembled slightly but still blocked the attack of the black rods.
A hint of surprise flashed in Isshiki's eyes, which then reverted to a sneer, "Perfect Susanoo? Too bad, in front of me, it's still no match for me."
He leaped up, kicking towards the five-pointed crystal on the Susanoo's forehead.
Bang!
The immense impact caused the Perfect Susanoo to shake violently, and the blue Chakra continuously dissipated.
Kakashi felt his Chakra instantly drained, and he spat out another mouthful of blood.
Crack... Crack...
A crack appeared in the Perfect Susanoo's defense, and then the crack continuously widened, finally bursting apart with a "Bang."
Kakashi was kicked away, falling heavily to the ground, unable to get up again.
"Kakashi-sensei!"
Sasuke's eyes were bloodshot, realizing he couldn't move.
He looked at the dying Kakashi, suddenly remembering the Flying Thunder God Mark his father had left on his wrist.