The instruments were certainly not handheld; they were mounted on huge remotely controlled mechanical arms.
Mechas required regular and frequent maintenance to utilize their combat capabilities, yet the instruments for servicing these mechas needed a complete production industrial line as support.
Every detail in the background was the accumulation of the city over hundreds of years; even for an individual, ample logistical support was the true foundation to exert combat power.
Aspiring to act independently of resources and social connections to establish one's force seemed somewhat unrealistic in this world...
Watching the gigantic mechanical arms flying up and down before him, Bai E gained a deeper understanding of the underlying rules of this world.
He would need to pay much more attention to this if he wanted to build his own force in the future!