Percy and The Final 5

what happens when the war is over but there is no one left except 5 demigods. 5 greek demigods. the final 5 now must find out how to live without the rest of the demigods. they need to find out how to live with all the trauma they have gone through. but what happens when they get sucked into the mortal worlds heroes drama? when Percy finds out that his mortal uncle is THE TONY STARK!!!!!!! read along to find out what happens and what they are going to do with all the new threats to the world.