Nero in the woods of Camp Half-Blood. Apollo later frees him and the others. Ethan Nakamura – A son of Nemesis, Ethan fights with Kronos and the Titans but begins to rethink his position. In The Last Olympian, he learns Percy's Achilles weak spot, but instead of killing him, Ethan turns on Kronos. However, his attack fails and Kronos kills him. Before he falls to his death 500 feet from Olympus, Ethan tells Percy that none of the bad blood that led to the war would have been caused if the minor gods had thrones on Olympus. Georgina – A maybe daughter of Apollo who was adopted by Hemithea and Josephine and raised at the Waystation. At age seven, she started to show signs of her father's powers when the Oracle of Trophonius entranced her. She was kidnapped by Commodus before the events of The Dark Prophecy. Apollo frees her and realizes that she might be a daughter he does not know about. Gwendolyn (Gwen) – A centurion of the Fifth Cohort at Camp Jupiter. Gwendolyn is killed in The Son of Neptune but comes back to life because of Thanatos's capture. Her return prompts Mars to appear at Camp Jupiter and explain the circumstances of Thanatos's absence. She retires as centurion the day after because she decided to attend the college in New Rome and was replaced by Frank Zhang. It's suggested that her death was because she was murdered by Octavian, but this is never confirmed. Harley – A son of Hephaestus, first seen in The Lost Hero. He is eight years old at the time of The Hidden Oracle, but very muscular. Harley has been trying to locate Leo, his older half-brother, with a magical beacon ever since his disappearance in the aftermath of the Second Gigantomachy. Holly and Laurel Victor – Holly and Laurel are a pair of sisters and daughters of Nike. As per their upbringing, they are very competitive and refuse to be made second, hence why they are placed as co-counselors of the Nike's cabin, otherwise, as Kayla puts it "they would've taken over the camp by now and proclaimed a dictatorship". Apollo describes them as looking like the "gorgeous, ferociously athletic African nymphs" that he and Artemis used to hang out with at Lake Tritonis. Jacob – Jacob is the legion Aquilifer (which is an eagle bearer) of Camp Jupiter. His godly