Hot or cold spots.
Lights going on and off.
Strange behavior in animals.
Disappearance and reappearance of items.
Feeling like someone is watching.
Feeling like someone is touching.
Drawers, doors, and cabinets closing and opening.
Objects moving on their own.
Symptoms of Demonic Possession
Convulsions and fits.
Drastic changes in tone of voice and facial expressions.
Unexplained injuries (scratches or bite marks).
Major changes in personality.
Uncharacteristic aggression and antisocial behaviors.
An aversion to religious icons or sacred objects.
Unnatural sexual desires.
Unexplainable foul odors.
Banging noises in the walls, particularly occurring in threes as a way to "mock the Trinity".
An overwhelming feeling of oppression.
A deep sense of dread.
Destruction of religious articles and objects.
Physical ailments such as sleeplessness, nightmares, strong anxiety, self-mutilation, and physical illness.
Emotional upheaval such as regular outbursts of anger, high and low emotional levels, self-justification, fear, etc.
Spiritual deadness that includes apathy and anger towards God, interest in false religious systems.