Scrying (also called seeing or peeping) is the practice of looking into a translucent ball or other material with the belief that things can be seen, such as spiritual visions, and less often for purposes of divination or fortune-telling. Scrying is one of the best known forms of divination.
The Crystal Ball by John William Waterhouse (1902, oil on canvas). Scrying (also called seeing or peeping) is the practice of looking into a translucent ball or other material with the belief that things can be seen, such as spiritual visions, and less often for purposes of divination or fortune-telling. One method of scrying using a crystal ball involves a self-induced trance. Initially, the medium serves as a focus for the attention, removing unwanted thoughts from the mind in the same way as a mantra. Once this stage is achieved, the scryer begins a free association with the perceived images suggested. The methods and techniques for scrying, including crystal balls, black mirrors, water bowls and more.  By Patti Wigington. You may see the word “scrying” used here on About Paganism/Wicca. In general, the term is used to mean staring into something-often a shiny surface, but not always-for the purpose of divination. Visions that are seen are often interpreted intuitively by the person who is scrying. Water Scrying: A very popular method of scrying involves the use of water. While this can be a large body of water, such as a pond or lake, many people simply use a bowl. Nostradamus used a large bowl of water as a scrying tool, and put himself into a trance to interpret the visions he saw. Scrying Methods. Catoptromancy is a form of scrying and divination using a mirror. Also known as captromancy or enoptromancy. Mirror gazing is a popular method of scrying and comes in two forms. The first requires an individual to stand before a mirror and stare into their reflection. Native Americans used a form of scrying by way of rising smoke. This isn't just the stereotypical movie version where a blanket is draped over a small fire and then lifted to release the smoke. Rather watching the rising smoke from a flame and divining images held within the smoke stream. Scrying is something all witches learn from a very tender age, it means to perceive or to reveal. To scry you need a reflective surface to gaze into, this can be a crystal ball, a mirror, a candle flame or water. It is an ancient technique used for the purposes of divination.  Scrying. Scrying is the practice of looking into a translucent ball or other material with the belief that things can be seen, such as spiritual visions, and less often for purposes of divination or fortune-telling.  Although scrying is most commonly done with a crystal ball, it may also be performed using any smooth surface, such as a bowl of liquid, a pond, or a crystal. Like other aspects of divination and parapsychology, scrying is not supported by science as a method of predicting the future. One method of scrying using a crystal ball involves a self-induced trance. Initially, the medium serves as a focus for the attention, removing unwanted thoughts from the mind in the same way as a mantra. Once this stage is achieved, the scryer begins a free association with the perceived images suggested. Scrying is one of the best known forms of divination, and can be done in a variety of ways. Basically, it's the practice of looking into some sort of reflective surface -- such as water, fire, glass, dark stones, etc. -- to see what messages, symbols, or visions may appear.  Scrying is the magical ability to find a person or an object through the use of a crystal and a map. It is one of the three basic abilities possessed by witches and warlocks. However, Leo Wyatt has also used this power when he was an Elder. 
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what is scrying