I think this would be an awesome system to add to XIV that is currently in XI. The atma weapons are similar though, this system allowed you to customize the weapon how you wanted and by your playstyle, those who played XI will know what I'm talking about, but if ya don't heres a link.

http://wiki.ffxiclopedia.org/wiki/Ca...of_the_Magians

Here's an example of trials for just one of the weapons of many.

http://wiki.ffxiclopedia.org/wiki/Dagger_Trials