Tsukishima, from the series "Haikyuu!!", refines his blocking skills by studying and analyzing his opponents' movements and tendencies. He becomes more observant and strategic in his blocks, learning to anticipate spikes and improve his timing. Additionally, Tsukishima gains confidence in his abilities and starts to trust his instincts more, allowing him to make decisive blocks at crucial moments in matches. Overall, his dedication to improvement and willingness to learn from his experiences contribute to his growth as a blocker throughout the series.