How to do the door key of KLZ?

First: go to the Azeroth continent on the Trail Against the Wind, KLZ door there is an NPC, where he can receive 2 quests, (the most several people together, and all 70) and then in the vicinity of the find a well and pool, there are 2 underground entrances to go in and then inside, the specific location of their own to find.

2 quests well after flying to Arash, go up, in Dalaran there, after handing over and then received a quest to go to Shatas city

2: Now is to go to FB to get the key pieces, the first piece of the last in the Shadow Labyrinth, next to the BOSS, take the quest to hand over, and then take the task, (the second and third piece of the age of pieces)

3: Go to the Steam Vaults, do not have to kill! BOSS, under the nearby pool, the pieces are in the kettle after the opening of the kettle out of a small monster JY, kill it before dropping.

4: Go to the Eye of the Storm's prison, kill BOSS #1 and enter a room to the right of the door that leads to BOSS #2, and the 3rd piece is there!

The pieces are finally collected.

Now it's time to go to the Cave of Time, there's a JY dragon at the entrance talk to him, take you flying and send you to an NPC. Pick up a quest, do it, and pick it up when you're done == After you've done a few quests, it's time to be on your way to FB La!

5: Go to the FB in the Cave of Time called, Old Hillbrad,, go in and take the quest behind the FB door. Contact Saar (26 years ago Saar, today's BL leader) to find him to hand over the quest, in finding him to take a quest is to take him 9 out, here is a reminder: it is best to have a strong healing, to kill 18 waves of JY monsters.

The 6th, after 9 Saar handed over the task, in the task (open the door to the darkness), after receiving the task to go to the time of the cave of another FB, the darkness of the swamp, this FB is the test of the team cooperation and strong or not strong, to kill each BOSS before you kill 6 waves of small monsters,, there is a time limit to kill the dragon, the dragon will be out of the door out of the dragon, the small dragon (also JY, but very little blood), to have a specialized team, the dragon will not be able to kill the dragon, but the dragon will not be able to kill the dragon. (less than 1W), to have specialized people to kill, others have to go to kill the big dragon (here is a test of treatment) speed, must be speed, and then kill 6 waves of small after the BOSS came out, (at this time, the small dragon continues to brush, specialists to kill). The first BOSS killed, continue to kill 6 waves of small. Continue to kill the BOSS,

The 7th, here to remind, into the FB after an NPC and his dialog, he will give you a time and space markers, summoning a dragon for you to fight, (this dragon remember that he will help you to kill the small, but do not help you to kill the big dragons and the BOSS,) 3 BOSS are killed, the task is completed!