Proficiency in the ebb and flow of this branch of magic opens the user up to many interesting and creative abilities. As the name insists you become able to control water in almost all of it's non-solid forms. You can push and pull at water sources, draining pools or moving the course of streams and small rivers. You can purify water by separating it from it's pollutants, or by pulling excess water from the earth. You even can have a say in the weather, by calling upon the clouds to dump their payloads if enough moisture is in the air for you to manipulate. Abilities like this can literally save your life, as you have a much easier time staying hydrated while traversing dry environments than your fellows, or rescue yourself or others from a drowning demise. Like the water you control, you gain a fluid, flexible and surprisingly strong set of powers and abilities to help shape the world.
Opposite of light magic, shadow magic is control over that which lurks in the dark places of Kyvalore. Darkness is your ally and your strength, and those who do not wish to be found can ensure that is so. You can push away the light like a shield pushes away a blade, growing a field of black in which to slip unseen. You can not only manipulate the shadows, but become the shadow itself, swimming from one to the next, twisting and pushing them as needed to your whim. This discipline is a more defensive discipline than some of the other schools, for what you lack in a punch is made up by control. It is a discipline of misdirection, where you control the field and ensure the situation always remains in your favor.
The light of a distant star is what allows life to flourish. It brings light to the dark, warmth to the cold. By following this discipline of magic, that power can also be yours. Not only can you use your mana to produce your own light and heat, but you can manipulate it around you as well. You can part the clouds in the sky, and allow the light in, helping the plants to grow and stop the downpouring storm. You can pass your inner light onto the objects around you, letting them glow on their own accord. You can even use the power of the light to tend to wounds, and heal yourself and others. Alone, you can heal minor wounds with this power, but together multiple Light users can heal even serious and potentially deadly injuries. With the power of light magic, you can be the literal life and light of the party.
Fire is warmth. The beacon of safety. The destructive inferno. The protection against the dying of the light. Harnessing it's magic, all of this is open to you. Naturally, you gain the ability to strike a flame with nothing but your mana. Your powers, properly trained, gives you control over this flame's size and intensity to a point. It does not, however, grant you protection from it's burning energy. You can use this fire for any purpose you can dream of, including cooking, glass making, as a light source, and even against those who would do you harm. Out of all the schools of magic, Fire magic has the most offensive potential, but it is a double-edged sword. It is a dangerous and wild magic where even the smallest lapse in attention can cause your creation to spiral out of control.