Keeper of the Lost Cities: Hurricane (PJO/HOO and KOTLC crossover)

This is a Percy Jackson/ Heroes of Olympus and Keeper of the Lost Cities crossover. All of the Seven are dead except for Percy, and Percy is super OP, because I love Powerful!Percy and slightly Dark!Percy. A year after BoO and sometime after Legacy, maybe after other books that haven't been written yet. So on with the...