Here, at last, was an adversary armed with sufficient knowledge of the ways of the vampire to bring about the final and absolute destruction.
9 seconds sound clip from the Dracula: Prince of Darkness movie soundboard.
You can hear this line at 00:01:26.215 in the Blu-ray version of the movie.
Quote context
[...]
- Through the decades, many had sought to destroy him. All had failed.
- Thousands had been enslaved by the obscene cult of vampirism.
- Now, the fountainhead himself perished.
- Calm yourself. Stay with me.
[...]