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Other than Sanderson, who does great rules-based magic Fantasy?(r/Fantasy)
The most common term I hear for that is hard magic when referring to the magic itself, or sometimes hard fantasy for the book as a whole.
It’s used in the same way that “hard science fiction” implies a degree of scientific rigor for the scientific elements in a science fiction novel.
You’ll also probably find some good examples just searching for discussions about magic systems in general, since systemic magic often implies a degree of detail (although not every magic system is anywhere near as much of a focus in the story as Sanderson’s).
Some Examples of Novels with Hard Magic Systems:
Unsouled is the first book in Will Wight’s Cradle series. Will’s series emphasizes intense action and long-term character growth. They’re much shorter and faster paced than most of the other options on this list.
Mother of Learning is about a novice mage who gets stuck in a month-long time loop. The magic system is something of a mix between D&Dish schools of magic and anime-style training exercises. We learn more about the magic system as the protagonist does. Lots of fun twists on the genre in there, too.
Rokka: Braves of the Six Flowers by Ishio Yamagata…