Title: Battle Scars
Pairing: Merlin/Gwaine
Rating: PG - no smut :(
Warnings/Spoliers: tag to 4x05 'His Father's Son' so spoliers!
Prompt/Summary: written for the kinkme_merlin prompt which can be found
here. Gwaine/Merlin, Merlin is the only one that knows about Gwaine's connection to Caerleon, and is the only one Gwaine can turn to before/after the battle.
Read fic at my Journal