Dawn of a Thousand Suns, Book I: Arch De Angels DOTS

In the age of legends, no one was acknowledged as a mage without comprehending at least two baron's magic. Belial the king of fire, Azar the remembrance of winter, Kaesh the damnation of the world and Orpheus the prism of the soul.
Four of them were the source of the ancient magic in the universe...

About two thousand years ago, at the culmination of the Great Ocean War, two more appeared, called Black and White Regads. After the ascension, known as La Shiva and Al Candra.
What was four became six and that completely altered the geometry of classical magic, as it is contemplated in the Treaty of the Gates...

Lucius is twelve years old village boy, who tragically lost his family. Haunted by the dreadful memories of the past, the only thing that pushes him forward is his baby sister. They get separated in an orphanage where she is sold to a rich family. Lucius then, with his newly acquired friend Michael, decides to escape foster home and rescue his sister. Though events unfold drastically, suddenly the whole city is in a state of catastrophe, everything is engulfed in a fiery hellfire and dire creatures roam around terrorizing the townsfolk. In a world, where the old equilibrium is lost, unknown forces arise, now the only goal for youngsters is to self-preserve. As the journey for survival begins, along the way, they will have to master new skills, confront the enemies they never imagined before, even in their most bizarre dreams. And the most challenging part will remain to avoid losing themselves in the process. As there is a thin line between fighting the monsters and becoming the one yourself in the process...