One of the main themes is identity. The dragon slayer character in these fanfictions is usually trying to figure out who they are in the context of the Highschool DxD world. Also, there's the theme of conflict, whether it's with other characters or with the forces of evil in the story. These fanfictions often explore how the dragon slayer overcomes these conflicts.
A common theme is power. The dragon slayer often has to deal with gaining and controlling their power in the Highschool DxD universe. Another theme is friendship, as they interact with the characters from the original series.
In 'Highschool DxD Dragon Slayer' fanfiction, a prevalent theme is the exploration of new abilities. Since the dragon slayer is a new element in the Highschool DxD world, their abilities and how they develop are often explored. Additionally, loyalty is a theme. The slayer has to decide which side they are on and who they are loyal to, whether it's their comrades or some other power in the story.
Chapter 71 is the strongest chapter-level answer because it starts from Shu Yan curled her lips with a hint of jealousy, "When can it be my turn... and follows through on Now they had to work on an empty stomach..
The best chapter pointer here is Chapter 103, "Selling a Kidney to Repay Debt". It opens with Jiang Yan looked at Zhao Lang with suspicion, eyeing the dark substance in... and closes on Jiang Yan felt deep guilt welling up inside him..
A practical answer is Chapter 115, because it turns the idea into a concrete scene. The chapter opens with Jiang Yan was woken by a loud crowing noise., adds pressure through Looking back now, the rebelliousness and obstinacy in his bones were..., and ends on [Pure bystander, wasn't Jiang Yan.
If you want the clearest chapter reference, go to Chapter 108. Early on, In a glamorous Michelin three-star restaurant, Su Yinwan and Shang...; later, the chapter leans on The elegantly dressed waiters started streaming in, serving them various....
Chapter 107 is the strongest chapter-level answer because it starts from On the plane, when He Yun had taken off his mask and greeted her... and follows through on Although Su Yinwan's recent change in temperament had been hard for her to....
A practical answer is Chapter 81, because it turns the idea into a concrete scene. The chapter opens with Qi Tianyu, who chose curry beef rice, received a piece of curry and a..., adds pressure through I'm going to tell the director to deduct 10 points from you both right now!, and ends on The.
If you want the clearest chapter reference, go to Chapter 126. Early on, Wen Jiaojiao initially wanted to cause trouble.; later, the chapter leans on But when her gaze swept around and landed on Jiang Li, who was standing at....
The best chapter pointer here is Chapter 83, "Can Actually Carve Flowers?!". It opens with When they received the task, the three of them were already sharpening... and closes on Since all the guests were staying at Uncle Zhao's cabin, Director Sun....
Chapter 99 is the strongest chapter-level answer because it starts from Seeing the man approach, one of the individuals with a long scar across... and follows through on Just as she was considering whether to practice a set of boxing, her phone....
If you want the clearest chapter reference, go to Chapter 88. Early on, She wanted to refuse, but didn't have the courage to do so.; later, the chapter leans on The Chen'an Entertainment she worked for was currently the largest....