The sound wasn't steel on flesh. It was wood on steel.
Alternatively, “Sub” might refer to a sub-commander or a backup personality for 2B. In several fan theories (and the Gintsu art series), the blindfold is removed to reveal a different personality matrix—one that feels no pain and calculates only probability. This “Sub” mind is uploaded when 2B’s primary consciousness is damaged, acting as a violent placeholder until restoration. -Gintsu- Nier Automata - YoRHa No.2 Type B Sub ...
She called herself 2B. But the serial number was a lie they all wore. Beneath the mourning veil and the crisp black of her battle unit, she was something else. A weapon. A grave keeper. The sound wasn't steel on flesh
Given her popularity, 2B has some of the most sought-after merchandise in the hobby world. If you're looking to add her to your shelf, here are the heavy hitters: In several fan theories (and the Gintsu art