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"Look at this diagram." Vivian pointed at the paper in her hand and said: "The large circle represents the range of the Sacrifice Array. The interior details belong to the magic array, which you don't need to understand if you can't. But look at the radiating lines that I thinly drew with a dashed line around the outside. These do not belong to the magic array. At first, I didn't understand what these diverging energy emissions were. But after some careful investigation, I determined that these high-density energy concentrations resulted from a failed sacrifice, which could not be consumed and led to a recoil of energy that formed this region."
"So, a failed sacrifice could cause this effect?" Catherine asked doubtfully, staring at the array on the paper: "What happened exactly?"