Theo Knight, a beta tester that is stuck in a game called Sword Art Online. He is now trying to free everyone from this death game. He is a confident yet clumsy protagonist who is determined to beat the game and kill Kayaba. He refers himself as the God Slayer.

Theo Knight a new member of Fairy Tail, he uses Oracle Beast Magic a Lost Magic although it was never discovered how he had gotten it. He then join's fairy tail for a reason later in the story will be explained. He then will face countless trials to prove his worth as a magic wizard.