[quote=Sep]
 Age/Skill/History is how to tell. Initiates are typically 3-10, Padawans typically 10-20, Knights 20<Masters were Knights of renown skill and abilities though more often or not one was elevated to the rank of Master after successfully training a Padawan. With your history I could say that's more of an older Knight, Barrier is a more advanced ability though it all depends on to what level you've mastered it, but it's snuggly in your history and you've been working on it since you were a Padawan (Just remember as a Padawan you woulda been darned terrible at it). While it is a surprising ability to learn that is all you really have learned, comprehend speech and breathe control being common abilities taught throughout the order.
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Force Barrier is an advanced ability? Odd....Wiki says it is one of the more basic things to learn to use with the force. Anyways, did a bit of updating, made them not quite as old, and added a bit on the force powers as I felt I might be a little underequipped for being a Jedi Knight. Let me know what ya think, or if I need some improvements.