Originally Posted by
Xixillia
i think the way we did it was to kill the first x number of bosses on the highest level of difficulty that you can do, (10 or 25 hm) while having an alt of proper level in the instance. Then the next week, extend the raid with the alt, run in before inviting set to heroic inside the instance and then invite people. Once the first toon enters the instance have the alt drop group. It has been a few months but I'm pretty sure that that should work. Don't accept the save to normal mode, if you accept the save to normal mode when you run the alt in, that royally messes up the lockouts just run in and set to heroic.