Arthur finds out about Merlin's magic. But Arthur can't accept magic in Camelot.
An alternative version to the fanfic The Darkness Within the rewrite from kurinoone. What would have happened if Damien hadn't freed Harry the night the Death Eaters attacked. Starting in chapter 38. If you haven't read her story you won't be able to understand the story.
Harry Potter lost everything during the battle at Hogwarts. He decides to go back in time to kill Voldemort but instead he found Tom Riddle, a scared little boy. Now he tries to change the past in changing Tom. But will he be able to change Tom Riddles fate?
What if the Fomorroh took time to start working and Morgana and Merlin start talking? Set in in 4x06. A master of two servants. Sry this is a bad summary. Just give it a try.