The young master of the Mourne family had started a chain reaction. The forces under the Mourne family, the real forces who they had taken value in as their perfect pawns were acting out now.
As the young master of the Mourne family and General Mourne had shown their true colors as members of the blood moon cult, their minions had. They used small vials of blood from an unknown beast to begin fusion with their beasts. They had become monsters that could harm and attack any and all things around them.
This greatly changed the battles going on through the City. The forces that the Mane family controlled were desperately reporting that they were suffering losses. Beyond that, the academy students had been forced back by Alexander since he saw that this had become a battle where they could not fight at all.
Creation is hard, cheer me up!