500 years had passed and Mathilda still didn't know why she was alive. There were only two aspects of Mathilda's immortal life that had been constant. Being immortal meant that people kept trying to kill you. The other aspect felt much more dangerous. Being immortal meant that she was eternally stuck with whomever shared her affliction, which exclusively happened to be her siblings. 3 brothers. 2 sisters. One eternal search for the root of their problem. After centuries of unsuccessful searches and family fights, the siblings realize that one piece of the puzzle had always been missing.

A/N: [COMPLETE!!!!!!] When Arthur tells Merlin and the knights some spooky stories about the past at Camelot when he was a boy. Will everyone think it's a big joke? Or will there be some truth in what Arthur says? Find out. :)