Alternately, the Order kills Xykon before Julia's project is due, rendering her research moot and making it impossible for her to graduate on time, so she swears a Blood Oath of Vengeance against Roy for tanking her GPA. Since he's her next of kin, that means she can once again use the spell to get in touch with him.
Sorry, I don't get it. Was I repeating something that somebody else already said?