During Ascension Era

The establishment of Étunas and the colonization conducted thereafter dramatically increased the rate of technological advancement. For the first time in history, a single nation was capable of facilitating the spread of knowledge and technology between many disparate places and peoples.
Intellectually, the Etayen transported the wisdom accrued for centuries under the watchful guidance of Atûn. The existence of the Eshan was the most important export, followed by passing words regarding a second world, known to them as Voryndal, astrology and manners of the Void, and.
Technologically, the Etayen taught colonized peoples about the intricacies of towering stone-works, as shown to them by Atûn. They illuminated methods of writing and recording information. Most importantly, the Etayen introduced Vojûn into Qadal at large, bringing with it the incredible feats of which it was capable.
Perhaps more important than any single other technological development, high quality steel became viable and common during this era.