The Water Element is the active magick of Light. It is claimed by Light before the First Heavenly War in secret, but was publicly known at the starting of the First Heavenly War.
Its polar opposite is Ice; and without it, it wouldn't exsist. Water is one of the main elements to create physical life. It is mostly contributed to the element of knowledge. Water moves and shapes itself by its surroundings; and is what makes up a liquid, which makes it the element of liquid as well.