 At last Carlsen tracks down the vampires in London, their leader having possessed the body of the Prime Minister; but their confrontation is averted when representatives from the Nioth-Korghai, the vampires' original race, appear and offer the vampires (the Ubbo-Sathla, as they call themselves) the chance to regain their original nature as higher-dimension energy-beings.The vampires accept joyfully, but destroy themselves upon regaining the ability to see themselves for what they had become.An epilogue, set nearly a century later, reveals that Carlsen has used the techniques of benevolent energy transference he learned via his encounters with the vampires to live an extraordinarily long life, and possibly (it is implied) to have achieved a kind of transcendence upon his death.