The Tranquillien faction is a Horde only faction that is located in Ghostlands. There are 46 quests available from the Tranquillien faction, almost all of which must be completed in order to gain exalted with the faction. If you'd like to see a list of quests for the Tranquillien faction click here. You can easily reach exalted with this faction within the course of a day. Even if you don't know all of the quests.