Summary : Percy Jackson gets Hurt in a forest when polobytes Polybotes possess Leo and Have him Stab Percy . Jason , Leo , Percy , Piper and Hazel Have to reach the Doors of Death To defeat Gaia , Too many demigods at once can attract monsters so they split up , Annabeth, Frank and Nico went the other way while Leo , Percy, Jason , Piper and Hazel went the other way through Argo II.