Optional Attunement

1. Complete the quests Restless Activity and Arcane Disturbances given by Archmage Alturus outside Karazhan.
2. You must then visit Dalaran and talk to Archmage Cedric who will send you to Khadgarin Shattrath City.
3. Khadgar will give you a quest to retrieve the [First Key Fragment] from a Arcane Container in Shadow Labyrinth. It is located in the room of the last boss Murmur.
4. Next you need to retrieve two more key fragments from The Steamvault and The Arcatraz. The Steamvaults fragment is found just before the first boss in the water. The Arcatraz fragment is found in the corner of the blue room after the first boss.
5. Khadgar will now ask you to visit Medivh in The Black Morass and give him the key. You will need to complete the encounter before Medivh will talk to you.
6. Return to Khadgar in Shattrath and he will give you [The Master's Key].