World of Warcraft's largest dungeons and raid experiences are instances to eliminate the camping and fighting over spawns that are prevelant in other mmorpgs. In addition, they allow Blizzard to incorporate things into their mmorpg that were formerly limited to the single player RPG. Click the links below for more information on these instances.
Blue Instance Portal: Group
Green Instance Portal: Raid
Red Instance Portal: PvP Battleground
