Rosen Bridge

When they saw the blade that looked like it had been mauled into pieces by a vicious hound, they held their breaths. Even Professor Charles had cold sweat trickling down his forehead as he instructed, "Continue switching out to tougher cutter heads and chart down the strength, toughness, plasticity, and tensile strength of the metal while you're doing that."

After another lengthy round of experiments and plenty of experiment records being logged, the fingernail-sized metal was still completely unscathed.

After all the performance tests were completed, their collective gaze focused on the metal had only become more intense...

"If we're measuring the hardness of this piece of metal using Mohs hardness standards, it would've exceeded 10M."

Professor Charles took the sheet of a report from the research team and muttered to himself. He started to give an explanation for fear of Chen Chen not understanding the implications of it.