The Dresden Files series
Storm Front
By Jim Butcher
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Kickass urban fantasy detective series. Series of mysteries. Progression fantasy fans may enjoy these, it's slower than litRPG progression but it's there.
Book two
Fool Moon
Book two
Summer Knight
Book three
Grave Peril
Book five
Death Masks
Book six
Blood Rites
Not the end of the series. In fact, I may have read two books beyond this, but since I'm unsure, it's off the shelf.