1. Start by selecting a target. To do this, simply click on the mob or player. Information on your target will appear in the target gauge.

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2. Next make sure that you have a magic action in Action Window. The background of the icon for these magic actions is composed of the following images:
offensive magic
healing magic

If you have no magic actions memorized then you will have to memorize one.
(more info)

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3. Now just click one of the magic icons to cast your spell action on your target. Spells that work on yourself, like self heals or auras, do not require a target.

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You now know the basics of using magic.

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