"For the last time, Gwaine, just because I'm immortal and he can't technically kill me does not mean that it's my job to tell Arthur when something like this happens!"
"When something like what happens?"
"Princess!" Gwaine tried to smile.
Merlin was smarter.
He bolted.
He left the two inch tall, newly made into a centaur, Percival behind.
Arthur sighed. So it was going to be one of those days.