Farrell, S. L

Seventeen-year-old Jenna Aoire discovers a mysterious stone that unleashes the mythical mage-lights, which release danger and magic that change Jenna's life forever.

Twins Sevei and Kayne, the grandchildren of Jenna Aoire, holder of the most powerful of the mage stones, must learn to develop their individual strengths when their mother and grandmother are killed, forcing a yet unprepared Sevei into the dangerous role of keeper of the stone, and escalating a war that leaves the twins far apart with an army of enemies between them.