If he were to rise again - A Merthur story [COMPLETED]

When Arthur rises again, 40 000 years later, Merlin is nothing but ecstatic especially when he finds out Arthur feels the same way he has since life in Camelot, but life to the reunited, long-lost loves is not all as easy as they think it may be... Merlin, Arthur and Mordred credit to BBC Sam credit to LOTR Mrs Hu...