Magic system

In Remin, magic is fairly rare, but a very integral part of the workings of the world. Many nations and areas of the world have different types of magic associated with them, which some scholars believe is based on what gods they worship. The one thing that is universal about all types of magic is that they all have a trade-off or limitation. Doing magic draws on the raw energy that is the underlying current that drives everything in Remin (or some say it brings you close to the gods), which takes tolls on the mind and soul, and eventually body, of someone who is only human. Small types of magic are fairly safe, because they don't get too exposed to the raw energy, but more powerful types of magic, like sorcery or Theresa's magic, take you very close to the energy. With sorcery, the incantations and spells function as the limitation, which keeps sorcery from being too dangerous, but very powerful sorcerers can reach directly into the raw energy, which they have to be very careful about.

Theresa's magic, which could quite possibly be the most powerful type of magic, is an almost direct line straight to the raw energy. When Theresa started to get more volatile, that was a result of her pushing too far and being exposed to too much raw energy.

Sorcery
Sorcery relies very heavily on incantations and memorized spells. In times of great distress, powerful sorcerers can reach straight into the flow of raw energy and cast spells, but it is very dangerous. The incantations and spells keep them a step away from the actual flow of magic, which protects their minds. However, after a very long time practicing magic or casting particularly powerful spells, sorcerer's souls can become corroded, which can affect their behavior, and eventually make it impossible for them to perform larger acts of magic.

Conduit Magic
Conduit magic relies on things like amulets or wands to perform magic. They act as conduits between the caster and the raw energy of magic. The more powerful the conduit, the more dangerous it is, because to draw more power you have to be closer to the raw flow.

Raw Magic
Magic like Theresa's, where the user connects directly to the flow of magic, is very dangerous. It is similar to small magic, where the user draws magic from the many places where the raw energy connects to the world, but instead of only connecting to one small aspect of that, they connect to all the aspects at the same time.

Small Magic
There are many ways that raw energy connects to the world, like flowers blooming, ice freezing, stuff like that. Small magic harnesses the magic of particular aspects of that raw energy.

envisioning
Envisioning connects to the raw energy in human minds, particularly the aspect of creativity and imagination. That allows those who can use it to do things like go into paintings, books, or other things that were imagined very strongly. A very strong user could even summon things, by envisioning them in their mind and calling them to life.