The Ghost of Divrik (Book 1 in the "The War of Inorr" series)

After orphan Rorrin Teguis's best friend, Tormafor Winstad, is taken by an urk, Rorrin goes to the village of Garto, then with Beckoa Lingho, they set out to find the Ghost of Divrik (pronounced DIV-reek) for answers.
Farther along the path, they find the sorcerer, Tanfphimin, and Beckoa's sister, Riley, who both join the group on their perilous journey. With defeating very powerful beings, demons, monsters, and acheiving their goal of finding the Ghost of Divrik, nothing can stand in their way.
At the top of the Divrik mountain, Rorrin talks with the Ghost of Divrik, whom was one of the Heroes of Inorr 453 years before, and yet another secret was uncovered.
Then, deep within the mountain, a giant rises and spreads chaos across the country of Asara.
After that, with Tormafor saved, he tells the rest of the group that a war has started.
The questions were: How would they stop this war? What was to come when it was over? Well, there's only one way to find out.