Summary: 
Kharazan is a 10 man raid  instance which consists of 13 new bosses. It is the greatest challenge of any  raid or instance we have ever done yet. Being limited to 10 people, it will  require for each and everyone of us to display our individual skills as well as  working together as a team. There will be lots of blood shed, and everyone is  given a fair warning of the circumstances. 
Getting attuned to kharazan is  not a mission that any ordinary group of people can complete. It is a test of  will, strength, and endurance that only the best will be able to overcome.  
Lets get started with the attunement process: 
There are 2  prerequisite quests to complete before you are able to receive the attunement  chain. They are both accessable at lvl 68 through Archmage Alturus located  outside of karazhan in Deadwind Pass (Azeroth): 
A. Arcane Disturbances  - 
Archmage will ask you to locate the Underground Pond, and  Underground well. This is a simple task, Both are located near each other. The  Underground well is located about 20 steps west of the archmage in one of the  destroyed houses with unliving residents roaming around. You will find some  stairs that lead to an underground cellar, Its fairly small so finding the well  shouldn't be too difficult. In the direct opposite location of the stairs that  lead to the underground well, there is a replica of stairs that will lead you to  the underground pond. All you need to do is walk near the pond and well to  complete the quest objectives. 
B. Restless Activity - 
Archmage will  ask you to collect 10 ghostly essences off of the ghosts and unliving residents  that roam around the cellar and general area. These are about a 30% drop rate  and very easy to complete in a 2-3 man group. They are also scattered throught  the path to the underground pond and well, so you can complete both quests at  the same time. 
Once both of these quests are completed, return to the  Archmage and he will give you the starting quest to Karazhan attunement called:  
1. Contact  from Dalaran - 
You simply travel to Dalaran, north of  southshore and talk to Archmage cedric. He is north of Dalaran by the lake.  (Approx 17,54 with coords) 
Archmage Cedric will then give you a quest to  speak to Khadgar in shattrah city. 
2. Khadgar - 
Khadgar is located in  the center of the upper level of shattrah city. He is the Npc that you get to  choose Aldor or Scryer Rep from. 
Khadgar will then give you the next  quest. 
3.  Entry into Karazhan - 
This will require a good 5 man team  capable of clearing the Shadow Labirynth located in Achindoun, Terokkar Forest.  The key for this instance is dropped off of the final boss in sethekk halls  located in Achindoun, Terokkar Forest or can be opened by a maxed out  lockpicking rogue. It's not extremely difficult compared to the other 5 mans you  will be required to complete for the rest of the key, but the last boss is what  makes it complicated. The Arcane Container which contains the Key fragment u  need is located behind the Final boss of the Shadow lab Murmur. You must kill  Murmur to be able to open the container and take the key. You can look up boss  strats for murmur at wowhead, which is an awesome database and source of  information for all Burning Crusade bosses and quests. 
Once the First  key fragment is obtained, return to khadgar and he will give you the next quest.  
4. The Second  and Third Fragments - 
For this Quest, you must obtain 2 more  key fragments, One of which is located inside the SteamVault, Coilfang Reservoir  Zangarmarsh, and The other in Arcatraz, Tempest Keep Netherstorm. (You will need  a flying mount to access this instance or a lock to summon you to the entrance)  
The Key in steamvault is a bit tricky to recover. It is actually soloable as  a rogue. A 5 man group can clear the main room, and Right before Hydromancer  Thespia's room (First boss who you are not required to kill) there is a giant  lake to the right. Jump into the lake and swim to the bottom. Right at the  bottom you will see the arcane container which contains the Second Key Fragment.  Collect it and move to the second part of the quest. 
The key in arcatraz is  very simple to find. The problem is getting into arcatraz, since it requires a  major chain quest to obtain the key and a flying mount to get there. The easiest  thing to do would be to have a rogue lockpick the door for you instead of doing  the Tedious chain for the key. Once inside, you must clear the first and second  rooms, Third room contains the first boss and a bunch of mobs that are all  optional to kill. You will see a ramp in the third room. Take it and it will  lead you upstairs into the fourth room. Just to the right of the entrance to the  fourth room you wil lsee the Arcane container which contains the Third key  fragment. Collect it and head back to khadgar. 
5. The Master's Touch  - 
From our exeperience, this is by far the most difficult 5  man iv'e done. If you haven't been to The Caverns of time yet, you will be  required to complete the Old Hillsbrad Foothills quest of rescuing Warcheif  Thrall before you can enter the Black Morass and talk to medivh to complete the  quest. The old hillsbrad is a simple lvl 66-65 instance that contains an escort  quest to unlock the black morass. 
WARNING: Before entering the Black Morass,  you must ensure that you are in a great group with raiding specced players.  There is an extremely difficult event that takes place, which is the gretest  test of strength you will face in this quest line. ITs pretty self explanatory,  but u will be required to defend medivh from an infinite amount of spawning mobs  as he attempts to open the dark portal. There are 18 rifts, and a major boss on  the 6th, 12th, and 18th rift. Like we said, its extremely difficult and you must  be in a good group to complete this. Pugs will not cut it. 
Upon  completion of this quest, you will be redirected to return to Khadgar once more.  
6. Return to  Khadgar - 
Khadgar will restore the Key, and ask you to return  to Archmage Alturius in Karazhan once more. 
7. The Violet Eye  - 
This is the quest that will ask you to return to Archmage  Alturius in Karazhan once more. 
Upon completion of The violet eye, You  will now be granted access into Karazhan. Congradulation on completing the  Attunement! 
From this point, there is another chain that Archmage Alturius  gives you to talk to someone inside the instance. You will be able to complete  this in your first 10 man Karazhan raid.
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