In this fanfiction, a fascinating concept could be the origin of the illusion master. Is it a new type of magic that has been hidden for centuries? Or perhaps it's a gift that a character has developed through unique circumstances. Also, the way the illusion master uses their skills in battles or duels is interesting. They could create illusions of multiple selves to confuse their opponents, or make it seem like they've disappeared completely when they're actually right there, hidden by an illusion.
One interesting concept could be the unique ways the illusion master character creates and manipulates illusions. For example, they might use illusions to protect Hogwarts in a different way than the existing spells. Another could be how they interact with the other characters from the Harry Potter world. Maybe they use their illusions to teach Defense Against the Dark Arts in a more immersive way.
Chapter 685, "Defense Value Skyrockets!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The scene went live on Weibo right then.
Chapter 442, "Let's Form an Alliance", is the clearest early answer because a shaky connection becomes usable in the plot. The chapter gives readers a real answer by opening on Chang Rong was bewildered, "So, she seems pretty impressive." More...
Chapter 485, "Straight On Clash!", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Zheng Xun felt even more irritable after the phone call.
Chapter 595, "Four-legged Black Toad", is the clearest early answer because it turns Black Toad Jiang's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li steadied himself with support, endured for a while, and then...
Chapter 415, "No Food, But Your Life", is the clearest early answer because it turns Guan Xiong's situation into a concrete plot event. The chapter turns that into something concrete by moving from Are you begging me for food now?
Chapter 504, "It's me, Gu Yu", is the clearest early answer because it turns Shen Ruobing's situation into a concrete plot event.
Chapter 533, "Sister Li, When Did You Become a Clamp?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The sycophant had gone crazy too.
Chapter 710, "Handsome, Who Are You?", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. It opens with The man was wearing the white cotton attire of a beauty salon, the...
Chapter 379, "Is This the Way Huaxiu Treats Its Guests?", is the clearest early answer because it turns Is's situation into a concrete plot event.
Chapter 380, "From today on, you no longer need to work here", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. Early on, Seeing the sudden change in the manager's attitude, everyone around....