Just got a misc quest to save skald from a vampire in his court... I really REALLY wish i could bash his head in for being so rude to his servant.

Ever get quests like that?

Helping the thalmor guy in markarth.

Didn't take the quest but I wanted to put his head on a pike (Idk if he is an immortal though.)

You can sneak and frenzy (via spell or reverse pickpocket a potion) the vampire and let Skald deal with him personally while you stand off and laugh.

He's not essential. Another likely target for sneak and frenzy. Let his bodyguards take care of him for you.

"accidentally" Fus Ro Dah him off some very high stairs................