The Sovereign Mage

Mana finally reached Earth and humans were able to harness the magical energy to do supernatural things but it also came with a great price. Plants, Animals and new forms of life got mutated and started to hunt the humans. The once peaceful Earth is not peaceful anymore, now filled with monsters and dark evil creatures threatening the dwindling existence of humans. Then one night, the monsters all disappeared with no traces prompting the First few human mages to establish Mage schools to nurture children that has great magical abilities into powerful mages against whatever the future may hold. Clifford Harrison, a teenage boy with poor magic abilities from a low tier family with little chance of getting enrolled in to a mage school stumbles upon a dying old mage who gave him an Orb to protect. The orb is the most wanted magical item by Humanity's major forces. What do you think will happen to Clifford, as he's in possession of the most wanted item by the Humanity's major forces?