The Darkness Within - The Drakus Mage, #1

Cyrus Boris a school teacher from a small village takes a journey to the royal magistrate to investigate the murders of his students. On his way to the city, he learns he inherited an uncontrollable magic capable of unfathomable power. Yet, dark forces are at work in the kingdom and he will need to navigate away from beasts and bandits to enter the capital. This is just the beginning of his adventure.
He realizes in order to solve the mystery of his students deaths, he must confront his own demons in order to defeat his own darkness growing within him.