"???" quest?

What is the deal with the "???" quest? It does not give any instruction, and there are not even any rewards listed!

Am I supposed to know what to do here, or do I just hope I stumble across something at some point?

 

It was originally meant as a community challenge/puzzle (it's a quest because that was the only way they were able to get it to work as intended). People had to work together to figure out what to do in order to complete it. Now you can find the solution on the forums or wiki (trying from figure it out on your own isn't really reasonable; it's not like a secret discovery or something, it's far, far more obscure and difficult).

 

Okay, thank you Melkor!

 

@TheVoidness