Natsu The Dragon King - Fairy Tail

Chapter 1 - DKN Dragon King Natsu

This is my first fanfic so please don't hate, tell me what I should edit and stuff so ya I hope you like this bye.
This does not follow the Manga / anime (not of which I know of)
Key
(A/N)=Author Notes
'Natsu' Thoughts
"Natsu" Speaking
"NATSU!" Yelling
'FIRE DRAGON ROAR' Attacks
"Natsu" Dragon Speaking
'Natsu' Dragon thoughts

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(A/N - This is after the Grand Magic Games )
                    In the forest
  Natsu was training to become stronger. While he was training he could smell Acnologia. (A/N - Fairy Tail and Acnologia became close allies after a fight between the two, Fairy tail won) Natsu stopped training and waited for Acnologia. When Acnologia  landed he said to Natsu, " I need your help Natsu."  "With what?" "There is a dragon going on a rampage. No, it's not Igneel." 
"Okay, but I need to tell the guild."
"I already told them they're coming to." "Okay, let's go."
               A little while later
  Fairy Tail and Acnologia were at the place where the dragon was going on a rampage. "LET'S GO!" Natsu yelled and ran into battle with Fairy Tail and Acnologia behind him.
  Everyone tried to attack at the dragon.
  "Ice make:Lance!"
  " Requip: Heaven's Wheel!"
  "Iron Dragon's: Roar!"
  "Sky Dragon's: Roar!"
  "Dark Dragon's: Roar" ect.
                    After a while
Most of Fairy Tail was down and so was Acnologia, the only ones left standing was Natsu and the dragon.
  Natsu was really tired from all the attacks the dragon fired at him, his magic was almost empty.
  The dragon fired it's roar at Natsu, and he wasn't moving.
  "Natsu move!" Erza and other Fairy Tail members were screaming at him.
  'Im to weak to beat him' Natsu thought to himself
'No your not, Natsu.'
'Igneel!?'
'Yes, but Natsu you need to beat him, no, scratch that, you have to'
'But how?! He's to strong and I'm to weak'
'NATSU LISTEN TO YOURSELF! YOU SAID YOU WANTED TO BE THE DRAGON KING! AND HERES YOUR DAMN CHANCE TO DO SO, HE IS THE CURRENT DRAGON KING REACH DOWN INTO YOURSELF AND DO IT SO YOU CAN PROTECT YOUR FRIENDS AND THE ONES YOU LOVE!'
"Thank you, Igneel."
"What are you talking about over there. Has the pain driven you crazy?" The Dragon 'King' said,
"No, I want to protect my family and friends." Natsu's arms began grow with scales, until they reached his chest, he grew wings and a tail, when his legs were covered by scales his head and face were covered in scales he grew horns and let out a loud dragon like roar.

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Sorry for the cliff hanger I hope you like this if you want more just tell me. Bye