This flying sword blank was the longest time Li Shiming spent refining it. It took more than half a year, not including the design time.

In order to be able to engrave sharp runes on the sword blanks that cannot be sensed by the mind, he used other materials for many experiments, and only by relying on the touch of the computer room space, the inscription accuracy was increased to 5 nanometers.

This is equivalent to blind engraving. Spiritual consciousness is the eyes of monks. Without the help of spiritual consciousness, it is equivalent to not having the help of eyes.

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