Ancient Evil (Percy Jackson X Kane Chronicles Crossover)

So HOO is now complete and i had this crazy idea of doing my own Crossover. After Gaia is gone and 10 months had pass, everyone is reunited at Camp half blood. Romans and Greek had a exchange program. Everything was fine until dinner where the camp got attack and Nico was captured by an enemy that isn't greek or roman. Now the gang will have to work with the Kanes to save the world