Kakashi pulled out a kunai knife and held it out, "Now fight me." Kakashi thought to himself as he stared down this creature with Sharingan eyes, "I could probably only wound this thing, chances of killing him are very slim." Natsu made a combination of hand signs, "Fire Style: Phoenix Flower Jutsu!"
Natsu sprayed a barrage of fireballs at Kakashi. Kakashi made some hand signs, "Earth Style: Headhunter Jutsu." Kakashi was engulfed by the fireballs. Natsu jumped onto a tree branch.
"It seems he wasn't so strong after all," Natsu said. He jumped to the ground and walked in the direction Naruto and company ran. Natsu was stopped and his leg was grabbed by a hand coming out of the ground. Natsu wasn't fast enough and was pulled into the ground. Only Natsu's head was sticking out of the ground. Kakashi stood in front of the head.
"It seems that you weren't so tough," Kakashi said. Natsu looked up, "Ameterasu." Black flames rose up from the ground and Kakashi jumped back. A large crater was made in the ground and Natsu walked out of it. Natsu pointed at Kakashi and said," The shoe is on the other foot, so to speak." Natsu smiled. Kakashi took a breath.
"It seems Ninjutsu it mostly ineffective against him when he has Ameterasu to protect him," Kakashi thought. Kakashi held out his hand and put the other behind his back. He said "Konoha Taijutsu!" Kakashi disappeared and reappeared behind Natsu and swung a kick, "Leaf Maelstrom!" Natsu ducked the first with a smirk on his face but was then knocked back by numerous unseen blows. Natsu took a few steps back and caught his breathe, "What was that?" Kakashi replied, "Konoha Taijutsu of the shadows…one of the most effective fighting styles." Natsu hesitated for a moment and stood straight up, "Nice hit but I doubt you'll land that attack on me again."
"This isn't shaping up like a wanted it. An attack with that much power behind it could've broken a normal person's spine," Kakashi thought. "I'll need to end this quickly before I run out of tricks!" Kakashi ran at Natsu and punched forward. Natsu sidestepped and struck his hand forward at Kakashi's neck but Kakashi ducked and spun around and tried to land a kick but Natsu caught and spun him upward, Kakashi pulled out a kunai knife and swung it at him mid-swing, Natsu pulled his head back and thrust his palm into Kakashi's side. He was struck with intense pain and jumped back.
"What…what was that?" Kakashi asked. Natsu replied, "Just following your example…" It was then that Kakashi realized that Natsu was replicating all his attacks with his Sharingan.
Natsu stepped forward, "I think it's time to end this…" Natsu closed his right eye, "Ameterasu!" Black fire arose from all around Kakashi and he was barely able to evade the attack. Kakashi hid behind a tree, "I have no defense against Ameterasu, my Sharingan can't summon it," Kakashi thought. He heard splintering and jumped forward as the tree behind him exploded. He evaded, using trees as cover. Natsu had appeared in front of him and targeted Ameterasu on him. It got on Kakashi's vest; he quickly took it and threw it at Natsu. He smacked it down without being harmed by the black fire. Kakashi noticed this.
"Eternal Mangekyou Sharingan…," Kakashi thought. He had no other choice; he had to use his Mangekyou, as risky as it was. He jumped off on one branch and straight into the air. Kakashi created a large hole in the air as the black flames swallowed him. Natsu looked up at the large ball of fire, "I think that will do it." Natsu looked up, "Huh?" A large hole was ripped open like the dimension was being torn. Natsu gaped up as a large thick stream of black fire was being rained down on him. Natsu let out a yell and then silence. Kakashi walked toward the tower of fire. "It seems I lucked out yet again," Kakashi said to himself. The fire blew apart and Natsu rushed at him and grabbed him by the neck and punched him the stomach and threw him, he slammed through a large tree and the next one buckled by the impact but held and Kakashi fell to the ground.
Natsu walked over to him. His Akatsuki jacket was burned apart. His face was singed but still intact and his Sharingan eyes were intact. Natsu approached him, "That was a pretty good idea you had, turning Ameterasu back on me with your Mangekyou. I've never heard of one like yours…I think I'll take it off your hands, Master Madara will be pleased." Natsu reached for Kakashi's head but the Kakashi on the ground blew up into smoke, "What!?" A large dog appeared Natsu and bit him on the shoulder.
Natsu let out a yell of pain and held his ground, a massive hound dog had bitten his shoulder and its fangs were deep in him. Kakashi appeared in front of him. Natsu said, "What is this thing?" Kakashi replied," Konoha ninja hounds, best of their kind." Kakashi made a combination of hand signs, "Summoning Jutsu." More ninja hounds of every breed and size had appeared and dug their fangs in Natsu.
"I will not be killed by some mangy mutts; Master Madara would be so disappointed…" Natsu thought. He looked around; so many dogs were biting him. Natsu was able to move one hand and made one-handed hand signs. Kakashi noticed and jumped forward to stop him, "Summoning Jutsu!" A large crab had appeared and swung its claw at Kakashi, he jumped out of the way and the crab got into a fight with the dogs. Natsu jumped at Kakashi and kicked forward but Kakashi caught it so Natsu swung around really fast, making Kakashi let go and sent him flying toward the beach.
Kakashi had fallen into the ocean. The crab had rushed through the forest and jumped into the water and attacked Kakashi. He saw it and tried to swim away but the crab was faster and it grabbed his leg with its pincer and dragged him down deeper into the water. "I'll drown," Kakashi thought. "I can't…I can't die here…," Kakashi continued. He focused chakra into his hand, "Raikiri!" Kakashi struck Raikiri into the shell of the crab and it exploded into smoke underwater. Kakashi rushed to get to the surface, he barely made it, he was out of breath, he was dizzy and he couldn't see. Kakashi stood on the water and caught his breath.
Natsu appeared out of the water, Kakashi turned around to defend himself but Natsu kicked him in the side and he thrust a palm forward into his chest, then uppercut him into the air and dropkicked him so hard he fell back on shore. Kakashi lay on the shore, motionless.
Natsu walked up to him and summoned a katana. He raised it and struck it down but Kakashi held up his wrist and pushed it up by the metal plate on his wrist on his glove. It was a battle of who could push more, and Natsu was winning. Kakashi closed his eyes and took a breath, "1st Gate Open!" Kakashi opened his eyes and disappeared out from under the sword he reappeared in front of Natsu and punched him in the face with bone crushing force. He ran after him and kicked him into ground, then picked him up by the leg and tossed him up and kicked him in the back so he went flying forward; Kakashi appeared in front of him and kicked him into the air. Kakashi flew parallel to him; he summoned numerous bandages out of his sleeves and wrapped them around Natsu. He turned upside down in the air and spun rapidly and then slammed him with a massive spinning pile driver, "Lotus," Kakashi yelled as he jumped away just before the impact.
"It seems brain activation wasn't such a good idea after all," Kakashi said to himself as he sat down. After passing out for a few minutes, Kakashi regained consciousness and walked over to the crater.
"What?" Kakashi said to himself. Natsu was surrounded by some giant flaming creature. It pulled him from the ground and stood him up. "It can't be," Kakashi started, "You can use Susano'o?" Natsu smirked and the partial Susano'o swung a large blunt flaming club at him. Kakashi jumped backwards, "It's not complete. I understand now, this thing was not complete, it only has partially completed jutsus," Kakashi thought.
He stood his ground and took his gloves off, "This will probably kill me…" Kakashi started, "But I have to do this…" Kakashi raised his arms. "Time to see if paying attention to Gai all these actually meant something," Kakashi said to himself. He started to be surrounded to be surrounded by chakra. "What do you think you're doing?" Natsu asked. The incomplete Susano'o swung its weapon but Kakashi jumped, he made a hand sign, "Hidden Mist Jutsu." The entire area was enshrouded in thick blue mist. Natsu couldn't see anything.
Kakashi stood on the water and concentrated his energy, "3rd gate, Open!" Kakashi was surrounded by blue chakra. Natsu looked around, "What is that chakra I feel?" Natsu's Sharingan was picking up signatures of chakra. "4th gate, open," Kakashi was enshrouded in chakra. Susano'o jumped through the mist and swung at him but Kakashi disappeared at lightning speed. Large walls of water shot up where Kakashi ran; he ran at Susano'o and punched it in the chest. It was knocked backwards, Kakashi then began teleporting all over the place, delivering massively powered strikes. Natsu had soon lost his concentration and Susano'o was dispelled.
Kakashi appeared in front him. Natsu only saw his Sharingan before Kakashi unleashed a barrage of punches and volleys all over the ocean floor. Kakashi punched him into the air, "Double Raikiri!" Kakashi jumped up after Natsu and volleyed him back and forth going upwards with one Raikiri, and then Kakashi hit him straight down with the other with such force that it parted the water beneath them. Natsu lay motionless in the crater.
Kakashi landed on the beach. The effect of the 4th gate had ceased and soon Kakashi collapsed. The water slowly filled up the water and Natsu was engulfed by it. Some time passed and Kakashi opened his eyes. Kakashi groaned in pain, every muscle in his body was on fire and felt like they were hanging off his bones. After coughing up blood and losing all sensation in most of his body, he forced himself up.
"I think I did it," Kakashi said to himself. He coughed up blood again, he opened his mask and drained it, and he then hobbled around and walked away. He felt something behind him and turned around, "Fuck."
Natsu was standing before him, with his body visibly pounded into mush. He raised his hand and threw a kunai knife, Kakashi dropped to the floor, which caused great pain. He threw one back and it hit Natsu's side. Natsu fell back but opened his left eye, "Ameterasu!" Kakashi opened his Sharingan eye, "Trigon!"
A large dimensional hole opened up front of him and vacuumed the black fire, it slowly sucked in Natsu, he was yelling for Madara to help but nobody came and Natsu was sucked into vortex. Kakashi grabbed his eye and screamed bloody murder. He was in total anguish. He was bleeding from his eye. Kakashi screamed into the air again. He fell to the ground. He covered his eye with the last of his strength.
"Naruto, the others…the rest is up to you now…"
Kakashi chuckled and he looked into the sky while lying on his back, "It's a beautiful day…" Kakashi looked into the sky until all he saw was black.
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