Leon was very worried. The world ending was not on his list of things that needed to be accomplished today.

You're watching him die and there's nothing you can do.

Merlin with a new name, a new personality, a new everything – and he didn't know Arthur beyond a few happenstance meetings that hadn't ever occurred.

"What's your name again?" The bloke asked him, rocking back and forth on the balls of his feet as if he was anxious for something, though Arthur couldn't say what. Oh, right – kissing. They were going to be kissing soon.

You were only his start.

Everything you do is for him. Companion piece to 'a chain linking us'

A series of chance encounters occur.

"Why do you always kiss me like that?"

"The doctors…the nurse…they say there's still almost no chance of you ever waking up again."

"That guy's wearing the same shirt as me," Merlin hissed in Morgana's ear.

There was a tavern in Mercia that was often frequented by a vampire.

Quitting magic is like quitting drugs.