"A ritual circle - known as The Round Table - was built and Knights from all over the realm were sworn into a brotherhood, to protect the line of Kings. There are branches across the British Isles, but the original one was founded right here, at Arthur's birthplace. The Knights have guarded the bloodline for generations, and there are some pretty famous names on that list. Notably, Godric Gryffindor and, more lately, James Potter. And now ... me."