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Sensor
NV Sensor

Illustrated in the graphic novel

Creator: Henry Branwell
Type: Detector
Purpose: Detection, Navigation[1] and Measurement of Demonic power.
Effects: Vibrates, heats or clicks in demonic presence.

The Sensor is a device that allows Shadowhunters to detect the presence of demonic frequencies or energies. It was invented by Henry Branwell in the late 1800s.

Description

When in its ordinary metal and plastic form, it has buttons and delicate runes engraved all over it. The Sensor is part of the Shadowhunters' basic tools, as it alerts them to the presence of demons. Additionally, because of the runes on the Sensor, it can also be used for emergency combat with demons, as Clary Fray once managed to kill a Ravener demon by jamming the device into its mouth, making it choke on the device's runes.

However, the device cannot fully register the presence of Forsaken. It can also overlook the presence of demons when their ethereal forms are in different dimensions, like when the Greater Demon Abbadon hid behind the entrance to the Portal in Madame Dorothea's apartment.[1]

History

By 1878, Henry Branwell was already working on the Sensor and has even mentioned several times that he almost has it working.[2] Eventually, Henry did perfect it, and Shadowhunters, at one point, began using it as a day-to-day tool for hunting demons.[3]

Appearances

References

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