What is arcanotech? It's breaking the laws of physics for fun and profit.
A hostile race discovered through dimensional boring. The first encounter with the violent and nomadic Tarxan occurred in Neo-Constantinople of the Eurasian Alliance, hence the Turkish/Central Asian rooted name.
"Living in a town that sits on a dimensional nexus can wear thin after a while. It's not so much the crawling shadows, bizarre weather, or late night visitors from places that never existed; but carrying on with your normal life and trying to act like nothing out of the ordinary is going on in your little corner of the world that gets to you."
A small rural town with surreal secrets, that happens to be situated on a dimensional crossroads, suitable for modern day supernatural/mystical/horror campaigns.
A race that are always born as twins and only one recieves a soul. The other is soulless therefore without pity, shame, or guilt. The evil race. Can't tell them apart by looking at them.