A Salamander's Exile

Just before the S-Class trials start, Natsu is excommunicated from Fairy Tail. During the trials, Acnologia attacks and Tenrou Island sinks along with the trial participants. 7 years later, they return to find Fairy Tail better than ever. Who's the mysterious new member known as Hell Phoenix? Disclaimer: I don't own Fairy Tail. THIS STORY IS ADOPTED FROM KITTENGOD14! HE/SHE WROTE THE FIRST 3 CHAPTERS.