Daichi's defensive prowess contributes to Karasuno's stability in multiple ways. His strong skills in receiving and blocking provide a solid defense that helps the team in crucial moments during matches. By consistently making accurate receives and effective blocks, Daichi sets a strong example for his teammates to follow, instilling confidence and motivation in them. Additionally, his leadership on the court helps maintain Karasuno's focus and coordination, ultimately contributing to the team's overall stability and success.