Void Ranking System, is a system to rank someone based on his Genomic Resonance Value (determined by Genomic Resonance Gauge). Firstly introduced by Yahiro in other to form an army of Void-bearers. It ranked the students of Tennouzu High School on a scale of A to F and place them under sovereign of Shu Ouma as their leader.

Genomic Resonance Gauge

The origin of this tool is still unknown. Found by Tsugumi on the ground near the truck of the attacker in Episode 13. This tool able to measure the strength of Voids, by the scale of 0 to 2000. However, this tool unable to scan Shu's Void's strength since he is Void Extractor.

List of the Strength of Voids

  • Inori - over 2000 points.
  • Hare - 1832 points.
  • Ayase - 1752 points.
  • Tsugumi - 1487 points.
  • Shu - xxxx (the tool seems unable to read his void strength)
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