Introduction: The year is 2175. Humanity has unlocked supernatural abilities and ascended to Sephirs, colossal sky cities that hover above the cloud-covered Expanse鈥擡arth's perilous, forgotten surface. Under strict governance, Sephir society thrives, but in the shadows, buried truths threaten to resurface.Mark Nyx, a 21-year-old student gifted with Darkness Manipulation, is thrust into a conspiracy when a classmate goes berserk鈥攄riven to madness by an ether-infused implant. As Mark and his allies dig deeper, they unravel the existence of the Intelligence Development Agency (IDA)鈥攁n established organization pulling the strings of ability regulation. What begins as a simple investigation spirals into a harrowing discovery of human experiments, ether manipulation, and the lengths the IDA has gone to in the name of progress.With Sephir authorities tightening their grip, Mark must decide鈥攃onform to the system or become the spark of revolution. In a world where power is both a weapon and a leash, he must forge his own path before the truth is lost forever....