Avatar the mmorpg

Avatar - The Last Airbender
You are an element bender, you are one of the 4 factions in the world, Earth Air Fire Water,
protect your homeland, learn all you can, and maybe you can become an Avatar and rule all 4 elements.

Features

A character will be in a location in the world
A world will contain many locations split into regions
A region will have a minimum 4 main camps
Each camp will be for a specific clan
Each character will initially be in one clan only
Clan membership will be determined by standing towards each clan
Clan membership opens up access to missions with that clan
There are several levels of clan standing
If the clan standing is enemy then the NPCs of that clan can attack
If the clan standing is enemy then the Players of that clan can attack you as long as they are not friendly to your clan also.
Clan Standing of Honoured or above allows access to that clans bending abilities
Bending abilities can only be learned in the right order Air, Water, Earth, Fire, Air etc.
Bending abilities have levels from 1 to 4
The higher the level the more powerful the ability
There are side skills for Creating items
There are side skills for gathering resources
There are Combat skills separate from Bending Abilities
All players start at Friendly to their clan and Enemy to all others
Missions can lower standing against other clans
Once a player is at Honoured the standing cannot drop below that.
Players can attack other players only within 5 levels of themselves
Mounts can be obtained from level 20 up
Earth mounts travel underground
Fire mounts leave trails of fire behind them
Water mounts travel over water faster than ground
Air mounts fly
There are neutral villages dotted around the world offering missions that affect multiple standings. (air + fire -)