“Just as he gave over some of his essence for the kristallos,” Thanatos said, “so he gave something to me for you. His Helfire.” “Helfire?” Bryce demanded. “The lightning,” Thanatos said, waving an irritated hand. “Capable of killing almost anything. Even an Asteri.” “That’s how you killed Sirius?” Bryce asked. “With your … Helfire?”
