“Nico!” I yelled. He looked where I was pointing, saw the serpent women, and immediately understood. He took a deep breath and held out his black sword. “Serve me,” he called. The earth trembled. A fissure opened in front of the dracaenae, and a dozen undead warriors crawled from the earth—horrible corpses in military uniforms from all different time periods—U.S. Revolutionaries, Roman centurions, Napoleonic cavalry on skeletal horses. As one, they drew their swords and engaged the dracaenea.