Perséfone Hazard foi brevemente mencionada no capítulo 12 de 'The Nightmare Stacks', mas não teve outro papel na história.
Trecho do capítulo 12 (pino ênfase por mim) ...
this is understood by all present. Johnny doesn’t answer to anyone except Persephone.
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Seems to me you don’t want to get ’Seph out of bed for this. She’s still jet-lagged from that caper in Queensland last Thursday.”
Vikram shakes his head. “Then we shall let BASHFUL INCENDIARY sleep in,” he agrees. Sending one of the Laundry’s most powerful witches on a wild goose chase is a bad idea: Persephone has a vicious temper when sleep-deprived.