Create an achievement for each dungeon, for completing it SOLO.
If you have the achievement, you can enter the Group Finder queue for that dungeon with a special role, "Carry" -- because theoretically you can complete it on your own.
This role would have the highest priority, and grab the first three people waiting the longest time.
If you have the achievement, you can enter the Group Finder queue for that dungeon with a special role, "Carry" -- because theoretically you can complete it on your own.
This role would have the highest priority, and grab the first three people waiting the longest time.