Well, on AO3, you can also sort the search results by kudos or bookmarks. Often, the fanfictions that are really good at portraying angst will have a high number of kudos or bookmarks. You can also check out the works of well - known Harry Potter fanfiction authors who are known for their angst - filled stories. For example, some authors have a reputation for writing really emotional and angsty tales about the characters, and you can find their works by searching for their usernames.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). Use the search filters to look for tags related to angst, like 'angst', 'trauma', 'heartbreak' etc. combined with 'Harry Potter'. Another way is to join Harry Potter fanfiction communities on platforms like Reddit or Tumblr and ask for recommendations for the most angst - filled ones.
Chapter 705, "Is She Her Own Destined Noble Person?!", is the clearest early answer because it turns Star Media's situation into a concrete plot event.
Chapter 656, "If he's the grandson of the richest man, then I am the richest man!", is the clearest early answer because it turns Mr's situation into a concrete plot event.
Chapter 870, "She is My Ex-Girlfriend", is the clearest early answer because it turns Xue Wandeng's situation into a concrete plot event. Early on, Huo Shan couldn't believe it and covered her mouth in shock.. By the end, Are they related to you?" Xue Wandeng's complexion was terrible, and....
Chapter 658, "What About My Daughter-in-law?", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. Early on, Jiang Li remained calm and composed, "You didn't ask me, did you?"....
Chapter 511, "I'm Here to Notify You, Not to Discuss With You", is the clearest early answer because it turns Gu Qiang's situation into a concrete plot event. The chapter gives readers a real answer by opening on The man had changed out of his previously luxurious traditional...
Chapter 760, "Daoist, I've Long Heard of Your Great Reputation", is the clearest early answer because it turns Lin Man Ru's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the winter, everyone sat in the courtyard, enjoying the cold...
Chapter 703, "Slap Oneself", is the clearest early answer because it turns President Sun's situation into a concrete plot event. The chapter turns that into something concrete by moving from Wu Daoshan quietly raised his head to size up Zhao Lang, and sure...
Chapter 1 is the strongest chapter-level answer because it starts from Jiang Li, I'm warning you, don't set your sights on Yinwan anymore, or... and follows through on Yet before she had the chance to teach her a lesson, the male lead arrived....
Chapter 544, "I Shouldn't Have Stopped You from Pursuing Shang Shaojing Back Then", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 667, "Hired a Private Detective?!", is the clearest early answer because it turns Xi Yang's situation into a concrete plot event. It opens with Behind his dark sunglasses, Xi Yang could feel the invisible... and closes on The two previous hit shows, "Wilderness Survival 30 Days" and....