Lin Xun indeed had this feeling.
All of the other exploration sites were reminiscent of the medieval West, be it the architecture of Tentacle City or the monasteries outside the Divine Kingdom.
Only the Ancient Nesting Ground and the War Incubation Field were distinctly different, filled entirely with machinery made of flesh and blood.
The Ancient Nesting Ground might be justified by the Hidden Map, but what about the War Incubation Field?
['Flandre the Oathbreaker' slowly reveals to you, in fact, they... both the Wet Nurse and her direct descendants, are not indigenous to this world.]
[She and her mother are from another world far beyond the stars!]
[That world worships life evolution, passionate about bio-modification, seeking Transcendence through it...]
[Perhaps it was the unregulated modification of life, against the rules of existence, that led the world towards destruction.]