The protagonist encounters an old classmate from the Chen family on the battlefield, prompting a tense exchange where their past relationship is revealed. The classmate's actions are driven by a desire to prove his worth and gain recognition, revealing he was bullied and seeks camaraderie. The chapter highlights the classmate's motivations before transitioning to an analysis of the new unit introduced, focusing on support abilities of the legion. The conflict is heightened as the chapter ends, indicating a clash between the protagonist and the old classmate.