It was the first Final Fantasy title I took part in, and here, you can find the job and ability system in its completed form! (blog.us.playstation.com)
This experience allowed me to create a unique new ability system for Banner Saga. (theindiebox.com)
I could go on for hours in ways the new armor ability system made the overall experience that much more exciting, but I feel it could be overstated, the only way to really get the gist of them is by hopping into the game and putting them to the test! (gamesrelated.com)