Battle.net Avatars Forming Parties with other Players Parties allow players to share experience, gold, information about where the players in the party are located, and quest information.
Parties allow players to work together to beat the game.
Many Class skills are designed to help not only yourself but other players in a party. Prayer not only will heal the Paladin but will also heal his Hireling and other members of the party and their Hirelings. There are plenty of other party friendly skills and spells. Party Options Press the 'P' key to bring up the Party screen. You see a list of all the players in the game and your current relationships to them.