Mortality The Immortal Watcher

Mortality(Percy) is the enigma of life and death. He is the first human to ever walk this earth. But he is forever bound to the realm of the living cursed to roam for eternity in his body that cannot die. But with a new threat coming to Olympus from the fates themselves, will he be enough to save Olympus? Or will he just watch the people who enslaved him burn?