The requirements for this achievement are:
Gaining exalted status with the Sunreavers requires sufficient repetition of the Argent Tournament daily quests. While it is possible to avoid gaining the title of <Crusader> (by gaining Champion rank with all five faction cities) in the process, most players will opt to complete the Champion quests and gain the title in the process.
Patches and hotfixes
Patch 3.2.0 (04-Aug-2009): Added