Protecting the Bloodline

Kill the  at 
Either Fura Bloodmouth or Garan Marethi will send the Dragonborn to a random location to take out a vampire before they become a problem.

Example locations:
 * Crossroads Watchtower
 * Cragwallow Slope
 * Bilegulch Mine
 * Gallows Rock
 * Hob's Fall Cave

Return to 
Returning to Fura or Garan may yield an item like:
 * Iron Shield of Dwindling Flames
 * Ring of Rejuvenation
 * Necklace of Deft Hands

Schutz der Blutlinie