The legend of Aurora

Years ago, the Baransu disappeared from Aurora in the time we call the Dawn of Time.
Below the northern lights, the last Guardian guides the new Baransu back to Aurora, adventure awaits them.
An ancient Baransu, the only Baransu who survived, is against them, and sends Shurekku in search of the only thing known to be able to kill immortals., the Exilir of Death.
Meanwhile, the new Baransu have to find a way to stabilice the universe, and make all the cosmos change era to the era of balance
Furthermore, the Guardian isn't who she seems...