[llamabeast]

Concerning ethereality, I can't think that vampires are ethereal in any popular culture references that I can think of.

The obvious etherealish thing they can sometimes do is turn into a cloud of gas or mist. However, we could imagine that that's being represented by their immortality. When you kill a vampire in battle, what actually happens is that it turns into mist and flees to the capital to reform its physical body and recover. Of course, in land under the influence of an enemy god this process is prevented. This makes more sense to me than any other explanation of their immortality. Generally popular culture vampires are pretty hard to kill, but when you do kill them it's not like they just reappear at home.