Clone?

Shortly thereafter, the door opened once more, and two weary soldiers entered.

These soldiers had various degrees of injuries of varying severity, such as broken arms and severe burns, inflicted during the fight with the Half-Drow Fire Mages. 

Despite their wounds, their expressions remained dull, showing no sign of despair even after confronting the large numbers of Half-Drows.

These are the injured mechanical soldiers that got out from the void space using the return card they got after killing Half-Drow Fire Mages.

They snapped into a salute as soon as they saw Selina. "Commander!"

Selina didn't even acknowledge the salute. She stepped forward, her eyes locked onto the two soldiers with a piercing intensity.

"Speak," she commanded, her voice cold and authoritative. "What happened in the Void Space?"