I don't actually like this very much, but I shall see what y'all think.
Title: Immortal
Characters: Gaius
Wordcount: 142
Gaius knows that, despite all his warnings, and Uther’s laws, and despite even having watched a man being executed, Merlin won’t ever stop using magic.
And he knows exactly why. Merlin is young. He’s so young that he’s immortal, and he knows that, even if he does get caught, he won’t die. Because dying is something that other people do.
And he knows that’s true because he can remember when he was young enough to be immortal, and he couldn’t do any of the things Merlin can do. Merlin probably thinks he could save himself. But he knows that won’t happen, because none of the people who’ve been executed in the last twenty years have ever managed to save themselves using magic.
But it wouldn’t matter if Gaius told him that. Because Merlin knows he’s immortal, and that’s not going to change.