I Stumbled into the Imperial Court: What Do You Mean, Medieval Europe Is Fighting Great Xia?

The Empire of Another World: We’ve opened a portal to another realm! The conquest begins! For glory, charge!

Northwestern outpost of Xia: ???

Three minutes later

The Empire of Another World, in retreat: Their iron sticks spit fire! Iron things fall from the sky! That dragon went down in a hail of bullets!

Xia: Oh, so it’s an invasion. Let’s go over and take a look, then.

Three days later

Bulldozers roar through the portal.

Excavators raise their mechanical arms.

Surveyors start drawing maps.

Academician Lu: Kaolin! There’s kaolin here!

The Empire of Another World: They... they’re building roads?

Xia: Wherever the road goes, we go. First build roads, then houses, then infrastructure. Your castle is pretty run-down. Want us to renovate it for you? With reinforced concrete, of course.

Grand Duke Vlad: What kind of monster have I picked a fight with...

Also known as: “We Opened a Portal to Another World and Somehow Demolished Our Own Home,” “What It Means to Be Outclassed by the Industrial Revolution,” and “Build Roads First, Get Rich Later: A Guide to Developing Another World”