Tattered Wings of The fire Dragon

After their success at the GMG Natsu thought that people would start to treat him with a little more respect but things just get worse. After he is pushed to far he leaves Fairy Tail, only to return 4 years later but what is so different about him, and what happened to him during those 4 years away? Cold/Dark/Intelligent Natsu. Pairings: Gralu,Gale,LaLi, Natsu x Mirajane.