One common theme could be growth. The 'punishment' might be a way for one of them to help the other grow, like Bakugo pushing Midoriya to be stronger in a rather harsh way.
Well, in Bakudeku punishment fanfics, a common theme is often the exploration of their complex relationship. Since Bakugo and Midoriya have a love - hate kind of relationship in the original series, the 'punishment' in fanfics can be a means to resolve their differences. It could also be about power dynamics. Given Bakugo's initially more dominant personality and Midoriya's growth throughout the story, the punishment might play into how they balance power between them. And sometimes, the theme could be about friendship. The punishment might be a strange way for them to understand each other better and strengthen their bond as friends or rivals - turned - friends in the fanfic world.
Chapter 261, "Departure III", is the clearest early answer because it pushes Departure III into a new phase or setting. The chapter turns that into something concrete by moving from Damien sat across from Queen Lareen, his posture relaxed but his mind... to Below, the landscape changed as the hours passed.. What makes it stick is that the chapter closes with As they approached the merchant district, Damien could already see the alleyway leading toward the Teleportation Arrays. "Soon.
Chapter 297, "Meeting Lyone", is the clearest early answer because it turns Damien's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The air in Velthorne was thick with panic. and follows through with Skylar roared, spread his massive wings, and launched into the sky,....
Chapter 324, "The Trial of Divergence I", is the clearest early answer because it turns Damon's situation into a concrete plot event. The chapter turns that into something concrete by moving from The four of them walked in silence. to She looks like the type that remembers everyone she's beaten," Daveon.... What makes it stick is that the chapter closes with "This is the Trial of Divergence," Oryll declared. "And it begins...
Chapter 378, "The Anticipated Match Up", is the clearest early answer because it turns Elias's situation into a concrete plot event. The setup is The Colosseum seemed to quiet itself as he passed., but the pressure keeps building through Like the wind stopped out of respect..
Chapter 331, "The Chase At Ryedale", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is The sky above Ryedale shone with the light of noon, sunlight bouncing..., but the pressure keeps building through It was a beautiful city—graceful, tall, and orderly..
Chapter 365, "It's Better To Show Than Tell", is the clearest early answer because it turns Lyone's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The market square of Greshan was slower than usual — no longer the... and follows through with It's better to show than tell.. By the close, They passed a long hallway with sealed doors on both sides, until..., and the chapter closes with But his hand flexed.
Chapter 215, "Testing Damien", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from The group walked through the open terrain, the darkened sky shinning... to So, what are your ranks?" she asked casually.. What makes it stick is that the chapter closes with And that worried her more than any mana beast ever could.
Chapter 121, "Damien's Arrival", is the clearest early answer because it turns Damien's Arrival's situation into a concrete plot event. The chapter turns that into something concrete by moving from Damien moved cautiously through the dense forest, his steps measured... to Attack it!" she commanded, pointing at the Obsidian Drake..
Chapter 303, "The Contest Begins", is the clearest early answer because it turns Damon's situation into a concrete plot event. Early on, The great colosseum trembled with anticipation.. By the end, Its eyes gleamed with red malice.. Inside the broader power growth storyline, the chapter closes with I'm happy to say I'm done now and to make up for this, I'll mass release for the next three days.
Chapter 130, "A Lovely Day To Be Alive", is the clearest early answer because it turns Damon's situation into a concrete plot event. The chapter gives readers a real answer by opening on Damon and Anaya strolled out of the academy's bustling cafeteria,... and ending on Damon grinned, sealing the moment with a kiss on her forehead.. In story terms, it raises the emotional stakes around the central conflict and clarifies how that bond affects the wider relationship tension involving Anaya.