If you had to place the grisha trilogy in history based on the technology that they have, about what decade would you place it in? I kinda want a reference to think about how the (fictional) world will change with the coming centuries. (unless the darkling

Re the destruction of worlds, I make no promises.

But the technology of the series is (at present) closest to what you’d see in the early to mid 1800s in our world. That said, the tech timeline really begins to diverge in Siege and Storm when Nikolai brings the Small Science to bear on “modern” engineering.