Most Haunted Series 10 On Dvd.

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Omen
An omen is a sign that foretells events.

Orbs
A sphere of energy, spirits first appearing often start as orbs

Oracle
An answer to a question that is believed to have come from the gods

Ouija board
A board to help contact spirits

Out of body experience
Where a person sees their own astral body as they are nearing death