Ok,
It has recently come to my attention that you are putting this great idea on the back burner. I have come up with some ways of making it possible but it will be very hard for you to do i am afraid. I suggest that you make a new server to test it out first. What you can do is remove the levels for the players. keep the levels for the monsters and such but remove them for people. If you do this and make skills raise independantly you can achieve the long time dream to have non-combat character advancement. Also remove the IP that you are given each level. since skills and stats will raise at a steady rate one would have no use for the IP any more. People who dont want to do combat can practice magic on themselves near a town and stay relatively safe while bringing up their magic skills. If a nano uses two different stats make it so both of them go up over time. If a person wants to use 2 weapons make it so they can use it at what ever skill level they are currently but make it so it doesnt hit well at all, for instance untill you make the required level for the weapon's 2 hand ability it hits at 40-60 percent of its normal hitting power. same deal with nano-programs accept that they wont always work every time and it will take your nano-energy to attempt a cast. This system can work the same way with non-combat things as well. This simple idea goes with the saying, "The more you practice, the better you get"
If you do something enough then you will get better at doing it. So this will take an overhaul and a total changing of the system as it is now but im telling you, its possible!!! its been done before and i know that with a lot of time and energy it can be done.. Good luck programmers
And to all Rubi-Ka players i say this, if you havent played where non-combat advancement is possible you haven't lived!!!
Thanks for your time,
VI