Volkihar Vampire Clan are a group of vampires led by Lord Harkon, introduced in the Dawnguard Add-On. You can join them to darken the sun, or join the Dawnguard to destroy them.
The clan members live and operate in Volkihar Keep, which is also your home if you team up with them.
You can join the clan as part of the Quest "Bloodline". The main questline consists twelve quest.
Joining has following Benefits:
- Trainers in Speech and Two-handed
- Ability to transform into a Vampire Lord
- Death hound followers
- Endless radiant quests