can always just replace it with words instead of numbers. doesn't mean much either way in the giant scheme of thing. i mean... obviously it does something, but the number itself doesn't mean much, unless you know all the formulae, etc
Yeah. I wouldn't mind some kind of ranking system or honorific titles. Maybe something could be devised on ranks within the military, for each unit type separately. The RP idea would be that your realm's academy grants your captain a higher title when he levels up?
Or a more basic idea could be implemented, where the captain gets an adjective/perk that changes when he gets a higher level... The +X system is kind of ..abstract and mechanical.