It is impossible to use the puppets for the time being. Since we are in the Biluo Huangquan, unless one reaches the peak of the six star-sky realms, using the puppets within the Ice Burial Coffin would lead to them being suppressed by the secret realm. It simply wouldn't be worth the loss.
As for the Blood Concubine, Su Chen did not even bring her up.
Heaven knows what her intentions are. They had already gone their separate ways, yet she came back. He had no intention of provoking her, and she did not bother with him. For him to be the first to lower his head? That was absolutely impossible.
Chapter 762