Neville Longbottom could be a character in these fanfictions. He has his own growth in the original series, and in fanfiction, he could be friends with or be inspired by the transfiguration prodigy. Additionally, some original characters created by the fanfiction authors may also be part of the story, adding new dynamics to the transfiguration - centered plot.
Hermione Granger is often a key character. Since she's already very good at transfiguration in the original books, it's easy to imagine her as a transfiguration prodigy or someone mentoring one. Harry Potter himself might also be a focus, as he has a natural talent for magic and could be portrayed as having a special aptitude for transfiguration.
McGonagall is a common character in such fanfictions. As the transfiguration teacher, she can play a crucial role in guiding the prodigy. Also, characters like Draco Malfoy might be included, perhaps as a rival to the transfiguration prodigy. His family's pride in pure - blood magic could fuel his envy or admiration for the prodigy's skills.
A practical answer is Chapter 2, because it turns the idea into a concrete scene. The chapter opens with On the top floor of the Financial Building, a gathering of dark clouds..., adds pressure through In my opinion, Mother should kick out this troublemaker who's a stranger., and ends on Jiang.
If you want the clearest chapter reference, go to Chapter 3. Early on, Qiao was still annoyed at the attitude of this unknown girl when she heard...; later, the chapter leans on She's actually Miss Jiang Li from the Jiang Family?!.
The best chapter pointer here is Chapter 22, "Number 7203". It opens with Hearing this, Su Yinwan looked at Shang Shaojing with a face full of... and closes on Jiang Li's righteousness temporarily shut Jiang Yan up, but after a few....
The best chapter pointer here is Chapter 3, "Madam, the eldest young master has been missing for over half a month". It opens with Qiao was still annoyed at the attitude of this unknown girl when she heard... and closes on Jiang Yan, forced into a marriage with someone he did not love, had....
Chapter 921, "I scored 200 more points than your brother!", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. The chapter turns that into something concrete by moving from [I told you, she's only cut out for second-tier universities at...
A practical answer is Chapter 41, because it turns the idea into a concrete scene. The chapter opens with The live streaming room suddenly boiled over again., adds pressure through When can we finally get on the plane?, and ends on In contrast, Wen Jiaojiao didn't have such awareness..
A practical answer is Chapter 45, because it turns the idea into a concrete scene. The chapter opens with Helplessly, Jiang Yan had no choice but to step on the accelerator., adds pressure through Not one of these three ladies is easy to deal with!], and ends on The guests have to go through so.
The best chapter pointer here is Chapter 39, "Is This Book an Out-of-Print Buddhist Scripture?!". It opens with Qi Tianyu had been looking forward to watching Jiang Li's drama unfold. and closes on His original intention was just to make Jiang Li back off gracefully,....
The best chapter pointer here is Chapter 40, "The National Museum Speaks!". It opens with [Jiang Li claims she copied this herself? and closes on The handsome guys on this show are so difficult to deal with..