Board Thread:Spoilers!/@comment-27060727-20161015022604/@comment-25733960-20161015222916

Well Hades said: "This is not going to kill you, this is going to end you"

So, t echnically  Robin isn't dead, but "ended"

That wouldnt' break the Genie rule about bringing back the dead

Also the name of the episode sounds very similar to the name of a song from Phantom of the Opera, the musical