The Half Sister of Merlin the Great

Merlin's half sister comes into Camelot to raise some panic and destroy the place but she meets a child hood friend since her father was a noble men so she was always with the noble people and so this person is none other than Arthur himself which takes her by surprise, she also sees her long lost half brother Merlin who she hasn't seen in years.

Let us see what will happen in this adventure again with Merlin and the crew.