Harry potter and the serpent of chaos

When Harry Potter goes to Egypt with the weasley's he hears Parseltounge and discovers something that will change both the wizard and mythological worlds beware the serpent of chaos has risen Harry potter Percy Jackson crossover & slight crossover with Kane chronicles Evil godlike Harry misguided Dumbledore Weasley bashing years 3 -7 and all books of PJO/HOO parring Harry/Ginny