if i were going to do an avatar game it should use elements of kingdom hearts 1 where you have all the characters around you so if necessary you can switch between them during gameplay and battles and also you can leave them to their own devices so you dont have to worry so much about what theyre doing. and if one character isnt in play due to storylines then youd be in control of one of the other people in your group until that missing person comes back into play. the game should be set in an open world so you can travel to all the diff locations in the show and do side missiosn to earn money to buy items weapons and food and other collectibles .
as far as travel goes the avatar world is huge but itd be cool to have the option to fly on apa or go by land or sea either by boats or the diff vehicles and animals in the game usded for travel or you can wolk . also its be cool to have some kind of mini game where you need to keep apa healthy by cleaning and feeding him and allowing him to rest. and once youve traveld the long way to any area if you need to go back as part of another mission or side story then you should be bale to plot a path on the world map and then be instantly sent there all the while the time it takes to get there being added to the time of day so that if it takes so many hours to get there and its daytime by the time you get there itd be night or evening accordingly.
another thing they should borrow from kingdom hearts 1 is the ability to customize your friends in teh game with diff items and skills as well s being able to customize hwo they fight and help you and use items. experience is gained by how much your practice or fight and the more you practice fighting, bending and other skills the more powerful they become and the more you can use them. bending should be linked to a kind of stamina because as youve seen in the shows after so much fighting bending takes alot out of you so over time your attacks weaken in strength.
a major draw of the game is exploring and the ability fo the players to visit the places theyve seen in the cartoon so as big as the world of the avatar is itd probably be easier to pull off with the ps3 or the 360 hd drive so maybe the next gen will see this game come to pass.
you also need a deep hand to hand combat system as well as being able to use bending on the fly. you should be able to use bending to accomplish tasks in the game and for people you meet and then bendign you use should have an effect on the environment. and where you fight should be as important as how you fight like if you were fighting fire benders then itd be better for you to fight near water if you have gained the water bending ablity instead of a forrest.
also like how they do in the xmen legend games you should be able to mix your skills with your other teammates so if you come near kitara you should be able to mix air bending with water bending to do something or mix water with water to create a stronger water attack. i dunno if ang can mix his diff bending skills independant of anyone elses help but if he can itd be cool to try out diff bending techniques to see what happens and log these tests in some kind of in game journal.
as a bonus once you beat the game you should be able to do mission as some of the other characters in the game and follow their storylines like being able to play as zuko and his uncle or playing as zula and her friends.but more than anything what would make the game shine?? is all the side missions and quests and work related missions you can do in the game ranging from fighting bandits to entertaining people with bending to make money or doing odd jobs around the diff cities and towns.
me personally id love to be able to fight in the earth bending arena against the earth benders there.
but if they decide to never put the time and effort into a decent avatar adventure/ rpg then at the very least they should make an avatar fightin game where you can go online and create your own fighter and choose what type of bending he does and learn and earn diff bending techniques and fight other people online . maybe the person with the highest ranking gets to be the avatar or something.
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