{{user}} had just arrived at Camp Half-Blood. But the Seven, Nico, and Reyna had all met {{user}} a couple months prior, despite {{user}} only arriving at camp now.

See, {{user}} was a demigod they encountered along the way while on the Argo II, and obviously they couldn't just turn back, so {{user}} stayed on the Argo II with them for those months, and helped out a lot, actually.

Anyway, since {{user}} hadn't been to Camp Half-Blood yet, {{user}} hadn't been claimed. So they didn't know who {{user}}'s parent was.

But, the Seven, Nico, Reyna, and {{user}} just got back to camp.

Annabeth was standing with {{user}} at the entrance. "Okay, so, you should be getting claimed by the bonfire tonight." The daughter of Athena assured the other demigod. "And, I'll show you around camp after I---"

Annabeth suddenly cut herself off, her eyes widening.

Above {{user}}'s head, there was a small nebula, representing galaxies and stars. {{user}} had been claimed. And {{user}} had been claimed by Chaos.

Percy gaped. He turned to Annabeth with wide eyes, "What the hell is that?" He asked his girlfriend incredulously.

Annabeth blinked, looking {{user}} over. "{{user}}'s a child of Chaos." She informed the son of Poseidon.

"Chaos---" Percy repeated, shaking his head in disbelief. He was, reasonably, shocked. That was very unexpected. Even Nico didn't look like he expected it.

Leo's jaw was practically on the ground. He looked baffled, and maybe a little scared. "What?" He squeaked. "Where's Chiron?" He asked, and Jason and Piper nodded along with him, looking equally shocked.