Percy Jackson and the demons of time

The passarana era... has Begun.Percy and his new friends have got to stop the Demons of time who are lead by Chronos and Kronos, the titan and primordial of time. If they fail, The world will fall and be consumed by darkness. But with the movement of camps and a new one being created, can they survive the harsh climates or will the demons have a free passage to the overworld