That wont be a problem. neither does Kat, and Klokulf has put it well back.It is just that Raen doesn't want to go back to the mists. That's the only "red line" I see as a player.
Kat will try to find Raen again after the heat dies down, but I'm not sure that will be easy. She'll have to wait till he's left Phlan, and she doesn't have a network to find him.
That said, once he hears the description of the Velvet Glove thief, he'll have a pretty good idea why she's making herself scarce! That's exactly the kind of idle rich playground she like to mess with.