Rise of a new era

This is a dark Percy story. there will be Percabeth and other couples but they will be the main.
* Percy gets betrayed by his closest friends when his half brother comes along. He turns on them and the gods. Annabeth may or May not be on his side. He is set on overthrowing the Olympians and becoming king. But the question is his friends. Did their loyalties lie with him or the gods? He reasoned with them that the gods only used them and that he would not do so. But some still won't listen. Will he achieve kingship or will his friends manage to stop him?