why not for the next few chapters. you can have "Celta" teaching the captain about how h is still alive, where he is, and what is with his left arm. Meanwhile the new captain of hyperion give off a strange and creepy vibe and constintly send the valks on missions, while in secret he is working for the honkai beast the "killed" the old captain. And in the void Celta tells the captain that both his valks and his world are in danger and that he needs to make it back and destroy the new captain and the honkai beast behind it all. and maybe the valks come across Yae Sukura.