Quote Originally Posted by waddles View Post
Would this allow the passing of gear that drops to other characters that aren't in the group at the beginning of the instance? In other words, I would start the dungeon run with my 5-box group. We kill a boss who drops a piece of gear that none of us needs. Can I invite a sixth person to the second group, summon them with a warlock, have them grab the piece, then kick them out?

Sorry if this is obvious. I haven't played WoW in about 12 years, so I don't remember how these dynamics work.
Think about it from a 5-man perspective: After the boss dies, you kick one of the five players out of the party, invite a new fifth, and they get to loot.

Can you do that? No.