after completing the hard and easy parts of the EBL quest, I went back to murk and talked to the demented gruplok, and went through the dialogue both times. then tells me to go to kaesora to kill the unseen, after killing the unseen, i didn't get the orb in my inventory. I have the book, smooth clay symbol, black sky symbol and the Hel'Xup symbol. no Hel'Xup orb