He did need to talk to the vampire queen.

I heard the old vampire queen very softly singing.

A plot to replace the vampire queen with a figurehead.

Maharet had been blind eyes torn out when she was made a vampire queen.

They called her the Vampire Queen and it was a good description, save that she didn't drink blood.

It is later revealed that she is in rebellion against the vampire queen.

You'd like a vampire queen one day, would you?

Although the Vampire Queen knows she cannot win, she harries their efforts.

Palace of the Vampire Queen (1976) - the first ever adventure module published.

Scipio himself flees, but is hunted down by the Vampire Queen, who has returned.