Hello, i just found an exploid that tells you how to get all the Void Crystals you can ever think about.
Requirements:
High skilled enchanter.
10 ppl and atleast 2 priests.
and alot of time.
it goes like this:
Get a nice party to Karazhan, must include atleast 2 priests. Then clean up to Moroes. Shackle 2 of hes adds and kill the other 2. Now kill Moroes and let the 2 shackled targets be shackled untill the battle are over, when Moroes is killed, then loot the items to the discenchanter you got in your group and run out of the instance. When you get back Moroes should be respawned and ready to get killed again.
Reason for spawning:
Moroes will spawn if the adds arent dead yet, because Moroes(with the adds) are 1 boss, so if you wipe at adds and Moroes are dead, he will spawn like all other bosses.
I know its bad to ask for rep, but ive figured it out myself and spend alot of time on it, so i would aprisiate it if you could give me some rep for my work.