QJ.net reported an interesting news bit about a recent "easter egg" find within the Lordaeron Ruins, involving invisible ghosts and hidden story elements:

Players have found that if you turn up the volume in the hallway leading to the throne room, you will hear people cheering. Once you get to the throne room, you can even hear the conversation between Arthas and the king right before his death.

Community Manager Nethaera even shared some of her knowledge saying that if you use the "invis on" command while in Loradaeron, you can actually see ghosts milling around the ruins directly above the Undercity. Players can actually kill these level 12 ghosts for a few coppers if they feel like it...

Read the full post on QJ.net