Byakuya learned to appreciate the use of his shikai and bankai all over again after the Sternritter attacked.

Source: https://www.cbr.com/bleach-byakuya-senbonzakura-quintessential-bankai/

Byakuya was fortunate enough to escape the petrification beam.

Source: https://gamerant.com/dr-stone-father-byakuya-manga-facts-lore-trivia/

However, astronaut Byakuya Ishigami did provide one link to the past with the simple power of stories.

Source: https://www.cbr.com/dr-stone-hundred-tales-real-life-history-japan/

The death of Byakuya is a heartbreaking event for manga readers.

Source: https://gamerant.com/dr-stone-father-byakuya-manga-facts-lore-trivia/

Their mission is conveniently located on Treasure Island, which is believed to be the site where Byakuya and the other Astronauts once called home.

Source: https://gamerant.com/dr-stone-new-world-release-date-revealed/