I Am Warcry ( the Horsemen Chronicles)

Condemned to earth as one of Heaven's fallen, Balam's thirst for ultimate power consumed and drove him to the madness of unleashing his vision of the Apocalypse on mankind, only he left someone behind, someone he didn't anticipate.
In his wake stood Warric Reynolds, who saw firsthand Balam's wrath unleashed on the world. Destiny played a cruel game and crossed their paths, now Warric's happy human life must be morphed into something more divine. He must carry the burden of mankind's fate and embrace a new calling as Heaven's last warrior.
With the unimaginable now his reality, Warric has learned he's become the centerpiece in the ongoing war between Heaven and Hell and in this war there are rules to follow. Thankfully, he's not alone. With the help of his Fulcrum, his lifeline to the Angelic Counsel and Mason his earthly Angelic mentor, the three must work together and hunt down Hell's four champions before Hell finds them and stakes claim to earth and its endless bounty of human souls. However, Warric has his own personal demons to slay first, and he only wants one thing, vengeance on Balam.