Grab the bad juju bounty and do the strikes. The next step is to buy the darkness infused weapon from xur. Don't do it. Every time he's in the tower it will point you to him with a green marker. Ps. He's in the lounge today with last word, radiant dance machines, voidfangs, helm of inmost, and heavy. Lots of strength rolls on the armor though... Edit: Just updated the post title due to so many posts about looking in reddit, the app, or finding the others who already found him. Or generally just following the herd mentality. This post is about finding him first. Easily. Not finding him easily. Last.