Magic on the planet of Eiselmuth is split among four houses, each based on a classical element.
Each magical element has two qualities. These four elements and qualities can be represented on a circle.
Each element has a strong quality and a weak quality.
In terms of magic on Eiselmuth, strong qualities affect the power of an element's magic more than its weak quality.
Skilled mages are able to hone their magic powers to focus on the element or elements they prefer to practice.