Vampire Ring Of Life Quest
From WeAreDragons
You can start this quest from Dragon Fall. Follow the map guide below
To access the final door and claim the reward, you must collect keys from each of the four rooms in chronological order.
Deliver Vampire blood to Blood Collector (loot from: ghouls and skeletons)
Deliver lesser undead essence to Dr Archibald (loot from: Vampires)