This massive alien invasion war ended when He-El squeezed the last Leviathan into a ball. What followed was the horrific casualty count. New York had the highest population density in the entire United States. With nearly nine million people packed together, the war had erupted in the heart of New York City. Although a twenty-kilometer security perimeter had been established around the spatial wormhole exit in advance, the troops and weapons prepared on the ground suffered the most severe blow in the first wave and could not regroup.