These stories are close to canon and often contain spoilers for one or more episodes of the series. Some might even have talen place during one of the episodes.
King Arthur and Merlin the Magician
The Sorcerer and the King(NC-17)
Merlin's death is only the beginning; with no-one to protect the kingdom, Camelot falls to an enemy sorcerer and Arthur is forced to serve in the court that he once ruled.
Main pairing: Arthur/Merlin
Length: 85.000
Spoilers: season 1+2
The Tournament of All Magicks (NC-17)
Merlin is invited to compete in a tournament of magic. Sure, he'd like to become the champion of all Albion, but first he has to get past giant creatures, a seductive sorceress, and the crown prince of Camelot.
Main pairing: Arthur/Merlin
Length: 41.000
Spoilers: Season 1+2