Originally Posted by
Sufferings
The bug is that after clearing Atramedes, a green orb will appear to start the Nef encounter (Nef is on the other side of the room looking all badass). After a soft reset (say the next night), Nef and the orb will be gone. So, guilds that have cleared up to him end up getting locked out, so they go back and run a 10 man raid to zerg down the other bosses and get to nerf. This week we will see a Nef 25 kill, since guilds now know they need to keep the instance open so it doesn't despawn.
Had the same thing happen to my guild this past week, we just refuse to run 10 mans for ranking, like a lot of the top guilds are doing.