Spouses who also acted as travel companions gained new powers and resistances, but they also became more vulnerable to things like fire and sunlight in exchange. In The Elder Scrolls V: Skyrim, the Dawnguard DLC introduced a new type of vampire. Choosing to consume Lord Harkon's blood to become a Vampire Lord offered the Dragonborn incredible power and influence, and in time they could even be given the task of sharing the gift of eternal life with their spouse.
