Thing
Magical Devices and Items

Dark Detectors

Dark Detectors are items used for sensing Dark Wizards and their activities.

Various Dark Detectors are found in the Room of Requirement when it's set up for D.A. meetings. Harry told the others that they shouldn't rely on them too much because they can be fooled (OP18).

Commentary

Tags: defensive magic fear sneaking/sneak suspicion/suspicious

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