Well, perhaps Juvia might punish Gray for always being cold and distant towards her in a comical way. Maybe she could freeze his clothes every time he ignores her feelings.
It could be that Juvia punishes Gray for flirting with other girls. She might use her water magic to create a mini - flood around him whenever he does so. This would be a way for her to show her jealousy and also to make him realize how much it bothers her. Also, it could be part of a bigger story where Gray starts to understand Juvia's feelings better through these punishments.
Chapter 237, "Rescue and Wushuang's Doomsday (Part 2)", is the clearest early answer because it turns Yuan Cheng's situation into a concrete plot event. The chapter turns that into something concrete by moving from The hundreds of people from the Great Xia didn't idle either. to Yuan Cheng looked down at the gravely injured and unconscious Yuwen....
Chapter 191, "Repelling the Enemy and Punishment, The 1st Wedding", is the clearest early answer because it turns Wu Tianxing's situation into a concrete plot event. Early on, Seven-maned Power, this Chen Yingyuan, is actually not even as good.... By the end, His opponent's intention was clear, to not allow him to speak..
Chapter 243, "Hanqiong's Great Battle, Realization After the Fact (Part 2)", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with Xia Hong surveyed the houses inside Hanqiong Station, marveling at... and follows through with The two thousand or so Long Mountain army must have snuck over as....
Chapter 225, "Council at Long Mountain, the Decisive Li Xuanling", is the clearest early answer because it turns Li Xuanling's situation into a concrete plot event. It opens with While Xia Hong was busy disguising himself as Hong Yu and prying... and closes on Second Uncle, Yu Bin and his companions not dying is a reality..
Chapter 299, "Troops at the Gates, Searching, Completely at a Loss (4)", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Found it, found it, the location of Tunnel No.. By the end, Although a woman, her fist did not carry the same brute force as a....
Chapter 292, "White Dew Gu's Open Plot, Long Mountain Advances", is the clearest early answer because Cold Resistance Level finally turns buildup into a real advancement. Early on, Over an hour ago, Li Tiancheng described to them everything he had.... By the end, The inability to spy on the situation inside the Wushuang Camp....
Chapter 231, "Investigating Yang Lu by Day—Whose Side Are We On?", is the clearest early answer because it turns Yang Lu's situation into a concrete plot event. The setup is Wushuang and Hanqiong each have three Cold Resistance Levels., but the pressure keeps building through On Wushuang's side, aside from the leader Wu Xiong and Wu Ying, there....
Chapter 325, "Mobilizing the Beehive, Where Is the Divine Arm Bow? Full Deployment", is the clearest early answer because it turns Xiao Ning's situation into a concrete plot event. The chapter turns that into something concrete by moving from Xiao Kangcheng slightly shook his head, seeing the people around... to The Cloud Dragon Army and Dragon Martial Army can't eliminate them,.... What makes it stick is that the chapter closes with "Alright, divide into groups now.
Chapter 196, "Sword Puppet, the First Intermediate Squad (Part 3)", is the clearest early answer because it turns Cloud Jiao Team's situation into a concrete plot event. It opens with Only because its seemingly impossibly soft sword puppet abdomen, as... and closes on Qiu Peng was no exception, rubbing his sore arms, glancing at the....
Chapter 232, "Saving Lives, Putting on an Act, Xia City in Uproar [8,000-Word Chapter, More to Come]", is the clearest early answer because the rescue effort creates visible on-page results. The chapter turns that into something concrete by moving from Peng Bo, a Superior Battle Body with the strength of Eight-maned, was... to Clang...… The staff came down for another fierce strike; though Peng....