The Gosmer and the Illis Steel

Fan theory: The gosmer has been around for a long time, and they got all this up. What does that mean? How did they have surges? Was it the same kind of surges? Did they have sprin? But it kind of seems like they discovered sprin when they got to rishar. So what are these surges and how did they work? It doesn't really make sense in the time line. And i feel that i have been thinking about that since oath bringer lake. This could be a sign of what happened on the human world. They were once very advanced with fabrial technology that used some type of spran capturing energy,. But they didn't