After ten years of fear, he's decided to just give Revenant what they want and run so they'll leave him alone. I'd like to call him terrible names, but I can't say I'd have the courage to do any different.
Hint 2
Well, we'll have to move on without him, then. Take the train back to your hotel (getting another flashback in the bargain) --
Hint 3
-- and you get another "eerie tones" call from Revenant. This time, Nancy refuses to do what they want. Good for her! But now what?
Hint 4
You put the deck of cards you got from Zoe's safe into the vase of water in your hotel room, right? Let's go see what's happened to them.
Hint 5
Aaaaand you'll discover that there's a little problem.