
(The language in that was deliberately 'sexed up' to sound more authoritative - until it was produced "church speech" was latin).
I'm afraid the "thee" and "thou's" just look a bit sad most of the time, especially in what it more of a futuristic game rather than pure fantasy.
Generally, to RPG, just avoiding the use of references to the "real world" is sufficient in itself, although surprisingly difficult to do without thinking about it ("What on earth...........", etc).
I do remember, in EQ, getting pissed off with someone and letting loose a stream of truely vile invective in middle-English. Had it been phrased in modern English, it would have got me instantly banned. Instead, only a couple of people actually understood what I was saying (and sent me ROFLMAO tells!).