The Collector's Edition has a bit of Cayde's personal thoughts, and he says that he remembers working at Clovis and Ishtar with Maya Sundaresh, and visiting Saturn as flesh and bone. He remembers collapsing when everyone else did. [spoiler]...wait... O_O I just had an idea. Who do we know who worked at Ishtar that was sarcastic and loved making bets?[/spoiler]