Cursor's Fury by Jim Butcher

In a realm where elemental magic takes physical form, young Tavi must lead an inexperienced legion to stop a ruthless rebellion that threatens to destroy Alera.

This book contains; alcohol, alternate gender/sexual ideologies (minor), bullying, controversial racial commentary, dark content, death, derogatory terms, drugging, explicit sexual activities/sexual nudity, gore, lying, murder, profanity (minor), racism, self-harm (minor), sexism, sexual assault, stealing, torture, and violence.