Most of the immortal seeding are still children. So upon hearing they can't return here if they can't accomplish anything in the sect they all sad.
So, they all wrote a letter and gave it to the respective empires to deliver to their parents and at the same time, they asked the empires to look after their families.
The people of the central city went to their home to spend the last day with their family probably. As they don't know what awaits them in the sect.
But three single roots people and Wang Wei stood at the same spot and doesn't use this time to write a letter to their family.
Looking at them the immortal envy asked curiously " Don't you want to write a letter to your family. "
Wang Wei replied " I don't have to. If I am successful in my practice I will come back and look at them or their descendants. "
" If I am not successful in my immortality practice it's better to them that they do not know anything about me. "