I've used the Felhunter method dozens of times helping people get their achievement.
It is an autocast. IT CAN BE TURNED OFF. That's the key concept (any good PvP warlock will have autocast turned off so they control when does the interrupt, so you can turn it off... and then turn it back on when you need it). You have to turn it off for the early ones and then turn it on for when you really need it.
Also... the lockout is irrelvant. The boss is IMMUNE to silence. He just isn't immune to the interrupt. He will always cast 10 seconds after the prior cast was interrupted if his health was above 50% when it was interrupted. He will always cast 6 seconds after the last cast if his health was below 50% when the last one was interrupted. The time between casts always follows these rules. It just seems like they are closer together because the actual cast time is shorter based on his health.
Last edited by Quinafoi; 02-16-2010 at 09:30 AM.
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