I looked him in the eyes and hoped my threat would work. I know it seems ridiculous, a sixteen-year-old trying to stare down a fire-breathing giant. But I had battled some pretty serious monsters before. Plus, I’d bathed in the River Styx, which made me immune to most physical attacks. That should be worth a little street cred, right? Maybe Cacus had heard of me. Maybe he would tremble and whimper, Oh, Mr. Jackson. I’m so sorry! I didn’t realize! Instead he threw back his head and laughed. “Oh, I see! That was supposed to scare me! But alas, the only demigod who ever defeated me was Hercules himself.” I turned to Annabeth and shook my head in exasperation. “Always Hercules. What is it with Hercules?” Annabeth shrugged. “He had a great publicist.