After Ultron dismantled the monster that had run over in Superman's mental world, White Armor and Iron Man had no choice but to leave Superman's mental world as well. Once back in reality, they used technological means to track Ultron's whereabouts.
They were more concerned about Ultron, but Superman was more concerned about Batman. The moment he returned to reality, he found Batman's charred body and was overwhelmed with grief.
But soon, he heard Batman's weak voice. "Stop crying. Take me back to the Batcave. I can still be saved."
Only then did Superman react. He hurriedly carried the body back to the Batcave. Since technical expertise was needed, White Armor and Iron Man followed as well.
The body was sent into the experimental chamber. Batman's consciousness was uploaded again, and he operated the machines himself to repair his body.
White Armor and Iron Man truly were anxious to find Ultron, but neither could refuse the chance to observe Batman conducting an experiment up close.
Especially when the experiment was in their area of expertise. Since the body had been damaged too severely, biological technology definitely could not save it. Batman could only mechanically modify 80% of his body.
Everything had been going smoothly at first. The Batcave had ample materials and equipment for him to work with freely, but soon, some grating voices came from nearby.
"How did this guy make the joints like this? Are they really not going to fly apart? And hydraulic pumps? What kind of outdated technology is that?"
"I take back what I said about Batman's aesthetic sense. Tsk, tsk, tsk. This chest cavity design is a disaster among disasters, and the shape of the skull isn't perfect either. If I had to live in a body like this, my Anxiety Disorder would be