Hello, i am a fan of avatar (the series) and i would love to see some "bending" in this awesome game. I don't know the first thing about modding, but i support and love this idea, as well as making ability trees, and i would like to help if i can, and have some ideas, for example: Earth bending: create walls that raise from the ground, as you said metal bending would be the ultimate power of this branch. Water bending: create a bubble of water that traps the enemy floating in the air, as well as the cool animations that comes with water bending, such as taking water off the nearest river or filled bucket and swinging it around before throwing it at the enemy and freezing it just before it hits them (or not) (im not asking for much am i? oh well, Sky is the limit XD), and blood bending could be its most powerfull spell, that would be awesome. Air Bending: well i think flying is a cool power, but doing that thing that aang does when he forms a sphere of air bellow his feet to move faster and avoid atacks is pretty cool too, jumping really far up high, and being more likely to dodge attacks. Well i know that all of this ideas can be really dificult to create, but hey, i'm a dreamer :P. Bye and best of luck, and if you need something to make this happen you can count on me, of course as i said i don't know anything about how to make any mods.