Perhaps Hiccup could form a group of allies who support him and confront the bullies together. Another option is for him to use his intelligence to outsmart the bullies instead of relying on physical strength.
Maybe Hiccup could learn some self-defense skills and stand up for himself. Or, he could find an adult he trusts to help him solve the problem. It all depends on how the story unfolds and what kind of tone you want to set.
Chapter 133 is the strongest chapter-level answer because it starts from Watching Jiang Li and the others finish their meal and tidy up the table,... and follows through on It was only after she shared the concept and purpose of the show with him....
If you want the clearest chapter reference, go to Chapter 80. Early on, Jiang Yan and Wen Jiaojiao, one so smug he was almost ascending to the...; later, the chapter leans on And this was exactly the scene Director Sun wanted to see..
If you want the clearest chapter reference, go to Chapter 137. Early on, Jiang Li personally went to Lai Fu's tomb and performed a small ritual.; later, the chapter leans on After it was finished, she took out talisman paper and gently waved it....
The best chapter pointer here is Chapter 165, "Boom! Jiang Yan is actually Su Yinwan's fanboy?!". It opens with How come everyone else got a solid six points, and he ended up with just... and closes on Various explosive Weibos sprang up like mushrooms after the rain, and....
Look to Chapter 122 for the clearest answer. It begins with Damn, are we supposed to find the points card in the mud?!" He had just..., keeps building through To salvage his image, he had deliberately dressed up before leaving the..., and lands on He had just steadied himself when Qi Tianyu.
Look to Chapter 113 for the clearest answer. It begins with The next day, Jiang Lili was up before dawn as usual., keeps building through But this time was different; as she got dressed and opened her room door,..., and lands on If things are really as you say, that is indeed quite serious..
The best chapter pointer here is Chapter 141, "The Recruitment Contest!". It opens with It had happened in the afternoon when Aunt Ying's son and daughter heard... and closes on Jiang Li couldn't help but laugh and cry..
A practical answer is Chapter 109, because it turns the idea into a concrete scene. The chapter opens with And another thing," Jiang Li said, taking out a tissue to wipe her lips,..., adds pressure through Get them to find him, no matter the cost, I want to ensure Jiang Yan can't..., and ends on.
If you want the clearest chapter reference, go to Chapter 142. Early on, The ingredients for making Buddha Jumps Over the Wall were still on their...; later, the chapter leans on There were so many people in the village, just making a small portion was....
If you want the clearest chapter reference, go to Chapter 101. Early on, Jiang Li walked over to the slope where the two had fallen down.; later, the chapter leans on Below the small hill was nothing other than a large patch of sludge..