Missions are repeatable quests that give Reward Points for use in the Reward Shop. They take place in instances, private areas that only the mission runner and their party can enter.
Robert (1 Up, 1 East from Zehpyr Lobby Also the location of the Reward Shop.
To see your current mission and it's status, type
Once you have found your mission area and would like to start the mission and enter the instance type
NOTE: If you are defeated in an instance and respawn, or otherwise leave the instance, you either need to restart the mission, or have your party summon you back inside.