The Stealth Sensoring Spell (unknown incantation) is a spell that detects those under magical disguise. It can be inferred that they act as an invisible force field, which, once penetrated by an intruder, sends a signal to the spell caster. In 1996, Dolores Umbridge cast this around her office.
The Stealth Sensoring Spell (unknown incantation) is a spell that detects those under magical disguise. It can be inferred that they act as an invisible force field, which, once penetrated by an intruder, sends a signal to the spell caster. In 1996, Dolores Umbridge cast this around her office.