Lu Shu understood what Xi Fei meant: These items which were created from the scientific research were indeed incomparable against those in the legends. But those in the legends were so rare that even Xi Fei, who was part of the black coats, had only heard about and had not seen it before. It seemed like they were in the hands of those who were much higher up the organization.
As for these scientifically-made alloy tools, they were able to conduct magical powers and were easily reproducible.
In other words… it could be mass produced.
Its material was probably not made of the sodium-potassium alloy since the higher-ups did not seem to bother controlling their circulation. Furthermore, Xi Fei would not have openly taken it out for everyone to see. Lu Shu had even looked it up on the internet yesterday and it could easily be purchased over the web…