Vampire Oil - This is the obvious one, but being an Elder Vampire, you can boost the damage of your silver sword by spreading some vampire oil on it.| Joel Franey/USgamer, CD Projekt Redĭettlaff's extreme power is matched by a few weaknesses, some of which aren't listed in the bestiary. Dettlaff's Weaknesses The Bestiary gives some of Dettlaff's vulnerabilities and weaknesses, but not all of them. When you fight Dettlaff in during the Blood Run quest when he's known to you only as the Beast of Beauclair, you'll be fighting Dettlaff in a weakened form where you can get a sense of his weaknesses, strengths and attacks patterns. How to Beat Dettlaff in the Second Fight in Tesham Mutna.How to Beat Dettlaff in the First Fight.
