With a flourish of inky skirts, Harrowhark turned back to the stairs, staring through Dulcinea rather than at her. “Let’s say I agree with your theory,” she said. “To maintain enough thanergy for my wards inside the field, I’d need to fix a siphon point outside it. The most reasonable source of thanergy would be—you.” “You can’t move thanergy from place to place like that,” said the Seventh, with very careful gentleness. “It has to be life to death.… or death to a sort of life, like the Second do. You’d have to take my thalergy.” She raised a wasted hand, and then let it flutter back to her
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