protection

Back when the gods ruled and had people still sacrificing in their names something was stirring in tartarus. What no one knew, not even hades. The only one that knew was tartarus himself because he was the one causing it. a demon and not one that just shrieks and fly around. one more powerful on a primordial level. the purpose? protection. tartarus wanted a child that if he ever fades or needs deployment to finish the job typhon didn't she was there. now thousands of years later Percy cheats death on his first ever mission but at what cost.