Challenge Master: Siege of Niuzao Temple

This achievement is earned once you have the best time for the given challenge mode dungeon (in this case 'Siege of Niuzao Temple') out of all recorded times on your realm. Inherently, everyone in your group will get this achievements, as it is done in a group of 5 people.

This title (Siegebreaker <Name>) will only be held by you as long as you have the fastest time on your realm.

The achievements/titles are:
Challenge Master: Temple of the Jade Serpent
Challenge Master: Stormstout Brewery
Challenge Master: Shado-Pan Monastery
Challenge Master: Mogu'shan Palace
Challenge Master: Gate of the Setting Sun
Challenge Master: Scarlet Halls
Challenge Master: Scarlet Monastery
Challenge Master: Scholomance
Challenge Master: Siege of Niuzao Temple

All of these achievements comes with their own unique titles.

Upon checking this Feat of Strenght in the War Within Pre patch, i noticed this message when mouseing over the right icon: Earned by your Warband. (name of my character) can still complete this. Does this means we can complete this again in a future?