It takes decades of study to become a fully-fledged magister. Each clan have their own requirements on what constitutes a magister or what even their role is in society. Flame Heart magisters go from village to village curing diseases, growing crops and/or acting as arbitrators in petty disputes. On the other hand, the Rimescale Clan keep their magisters secluded away from the public as they work to discover the secrets behind the arcane. No matter what they are used for a magister is often a low ranking noble and has considerable experience in political intrigue.
The selection of spells a magister knows is often a reflection of their clan. However, there are numerous novice spells that every magister picks up either during their travels or through studies.
While the magisters that will join your marshal may not be the most experienced spellcaster within the Kingdom, they offer a wide range of talents. It is important for a field commander to have an answer for everything the unbelievers may use against us.