Demon Eyes Fairy Tail

Everyone throughout Fiore knows him as Demon Eyes of Fairy Tail because he has fiery red eyes that are said to be like the eyes of the legendary wizard Zeref, he is one of the best S class mages that Fairy Tail has. He has one goal which is to kill all the dark guilds and kill Zeref to erase the darkness that exists in this world (sorry bad summary) Erza Scarlet x OC