Fanfiction loves putting Percy through the wringer on the 'Argo II', and honestly, it makes sense. The guy’s a demigod with a target on his back, and his fatal flaw is loyalty—of course he’s going to throw himself into danger for his friends. Some fics play up the aftermath of Tartarus, like his wounds never fully healed, or the curses down there left him vulnerable. Others pit him against new threats, like rogue gods or monsters that exploit his weaknesses. My favorite trope is when Annabeth has to patch him up after some reckless stunt, because it highlights how much they rely on each other. Plus, hurt/comfort is just chef’s kiss for drama.
There’s also the symbolic angle—Percy’s injuries often mirror his emotional state. If he’s doubting himself or carrying guilt, the physical damage reflects that. Some writers even tie it to prophecies, like his scars being part of some bigger cosmic price. It’s wild how creative fans get, turning his suffering into storytelling gold. Personally, I’m a sucker for fics where Jason and Percy bond over shared near-death experiences. Brotherhood forged in blood hits different.