I just did LFR Blackhand for my last few Runestones for the 3th tablet. Turned it all in (Including the other BRF quests) and got a new quest.. to kill Blackhand. Acording to WoWhead, you can't re-do him on LFR and complete that quest. So i thought i'd be screwed for the week, but then i thought about killing him on Normal/Heroic. Does that work? Or am i screwed?