You have the ability to manipulate Magicka, energy form the plane of Aetherius. You are able to train to increase your magicka pool, you may use any spell usable in the Elder Scrolls game, you may train and study to create new spells. The eight schools you have access to are Illusion, Alteration, Destruction, Conjuration, Restoration, Mysticism, Thaumaturgy, and Enchantment. You may create soul gems out of geodes.