Divination

Divination (占い) is the process of acquiring insight into questions or situations (such as the foretelling of future events or remote and unseen circumstances), through the use of magic and the occult.

In both real life and the Toaru series, there are many different methods of divination.

Etymology
Divination is derived from the Latin divinare, meaning "to foresee, to be inspired by a god" (related to divinus, divine).

Principles
There are many different methods of divination, across a variety of cultures and magical systems.

Astrology is one well-known means of divination, with variations across cultures.

Another well-known method is through the of tarot cards, with meanings derived from the arrangements which the cards appear in.

One method, which is used with grimoires, is.