Guide Me Home (джен)

'You have no idea where we are, do you, Sire?'
Arthur glared over his shoulder, biting back a smile when Merlin merely raised a challenging eyebrow. Anyone else would be suitably cowed, bowing and scraping in apology. Not Merlin, who had insulted him from the day they met and had never seen a good reason to stop in the years since.
‘You’re lost!’
'Absolutely not,' Arthur replied.