Karl just went along with Glodin and Kaathe, meeting with Sunderland and then going off with Glodin and Kaathe to get a drink. 
Along the way Karl takes in the sights of Dustorne. Upon reaching the tavern Karl sits at the bar and orders a pint of mead.
"Well mates, we'll be off to kill vampires soon." A dark smile creeps across Karl's face, he hated the undead and the daemonic, and killing vampires was a great way for him to express this.