Mu You clicked and checked.
Obviously, to begin with, most people thought these robots were some kind of hi-tech product. They marveled at how advanced technology is, and how robots have developed to be able to directly replace manual labor.
Of course, there were some who knew better.
At the position of the thirtieth plus floor, someone first revealed the true identity of the robots.
"Don't bother wondering, these are labor robots, alchemical tools from the Goblin Clan, each has at least a hundred years worth of life! And consumes demon crystals. Even if you guys owned them, you probably can't afford to keep them."
"Just a hundred years? I heard alchemy robots can last five hundred years."
"Five hundred years is for more advanced robots, these in the store owner's house should be the most common kind…"
"If even the most common kind is this amazing, then the more advanced ones must be incredibly powerful…"
...