First, the level of civilization and technology is something akin Britain in the Industrial Revolution. The emergence of steam power and machinery, as well as manufacture on a large scale. Trade routes would begin to be upgraded to utilise new methods of transport, so railway lines would have begun construction. The technology was developed in Ember and was implemented afterwards in the Kingdom. Black powder has been used mostly for construction and mining, and its availability is subject to tight regulations. Artillery does exist, but again, is strictly regulated and discovery of possession of black powder without the necessary paperwork results in severe punishment.
On Galdea, all magic is divine in nature. To use magic is to pull at the strings of the gods themselves. It is regulated like knives are - you can have them but you can't go pointing them at people. The ability to use magic is quite uncommon and the majority of those who can reach their limits at cantrips and 1st-level spells. Telsaan has been known to grant boons to his closest subjects that enhance their connection to the divine, and so bolstering their proclivity for magics. The populace outside of the Kingdom seems to have an easier time of wielding magic.
While all magic is considered divine, their natural schools remain. I'll look into each example of divine-magic affecting rules over the course of the campaign.
Divinity and divine beings play a special part in this world. Here's a section from the campaign description, 'The complexity of the official pantheon has diminished since the bygone era tail-ended by what became known as the Scattering; the death of the gods and the resulting wellsprings of fortune caused by their strewn corpses scattered across the world. Beings of intelligence, and their capacity for introspection that naturally follows, are bound to 'discover' new 'gods'; when the downtrodden can consult only their minds for answers, when otherworldly aids are the only remaining hope to a caged, starved people, sometimes one's cries for mercy, justice and reckoning are answered. In this, a 'god' is formed; an ideal given substance.' While The Immortal Kingdom is a monotheistic state, the ability for its populace to conjure divine beings from nothing remains. The Vested cannot, of course, keep the lid entirely closed but one of their primary tasks is to quell any disturbing of the peace. 'The pressure from the Victoriers to maintain a monotheistic world, however, bore fledgling deities - their influence unquestionable and shining as a light in the dark corners of The Immortal Kingdom. For the Victoriers, gone are the days of pulling up saplings; the offending beings grow now in grand orchards, and razing them is the final recourse.'
Ember is a relatively new country, its barren lands being settled around Remnants and its borders defined only a few hundred years ago. Telsaan has felt no reason to spread the kingdom's borders any further in this direction and so has left its inhabitants to serve themselves. Only recently with advances in technology and fruition of fledgling deities in Ember, has Telsaan put pressure on the country to restrict their actions. Since then, trade has been disrupted and relations have diminished. Places like Vinischram, with their mixed populace, have suffered losses in business and local relations with many of its denizens leaving home to calmer, safer climes.
Telsaan was but one of many gods from the divine realm, and overcame them in combat to secure his position as prime deity in this plane. He created Galdea, and to inhabit Galdea he created beings of many different sizes and shapes and colours to see which suited him best. He grew equally attached to them all, and so created another of each, this time female, and so the races were born. He is seated in his palace in the sky, tethered to the Immaculate Palace in Sant'utheer by the Golden Line. He presides over the kingdom, and has an assigned avatar, or heir, sat on the Burning Throne who, after ten years of service, on the day of Tel'Vicsaan travels through the Golden Line to join him at his palace. Meanwhile, a new heir is escorted to the capital to take their place as new heir of Telsaan.