Taking Offense

Gideon and Fabian Prewett Flooed the Aurors instead of the Order for help. Now they're angry and there's hell to pay. Regulus Black is alive and collecting horcruxes. Amelia Bones is storming the Ministry. Harry Potter is learning martial arts from a muggle librarian. Dumbledore is going either dark or senile. What exactly are the Headmaster's dangerous plans?