Dec 19th 2011 2:30PM Depending on where you are in the second stage of the staff, you could be months and months away - forcing raiders through old content to make a legendary will kill morale pretty quickly. Best bet is to run FL on off nights or after scheduled raids, and not make it a requirement - bring main group in after farming first 4 or 5 bosses for a while
Jun 10th 2010 9:53PM If you have multiple level 80 toons or some helpful friends, they can start H VH, then bail out when a particular needed boss comes (e.g. Ichoron). Then bring in the character you want the achievement on. You can even extend the lockout if you can't run the instance on the same day.