In the language of coding there is a term, If <Var>, Else <Var>. What this means is: If something happens then do this. If anything else happens do something different. This is the language of coding, but it is also used in Athena's Powerful Hero Prevention, PHP for short. The gods all know this plan and follow it to a T at all times. All but one. Case: Percy Jackson. The PHP is supposed to stop Demigod heroes from becoming too powerful. Almost no hero has a good ending, excluding Heracles and Perseus. Heracles was made a god, so as not to overthrow olympus, And Perseus was never really powerful, so the gods passed over him. But this one time, This one slip up as the gods called it. This could have brought their downfall.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.