Iron gates groan as Shinsu flows like a heavy tide, crushing the lungs of those who aren't strong enough to breathe its pressure. Every floor is a new death trap or a god-tier trial designed to weed out the weak. Thousands enter these gates hoping for wealth, power, or survival, but most end up as nothing more than fertilizer for the Inner Tower's relentless ascent. It is a vertical wasteland ruled by ancient families and governed by cold, calculated administrators who view lives as disposable fuel for the machine.

Before the world knew him as the legendary "Ranker" who could shatter mountains, Urek Mazino was just a loud-mouthed anomaly breaking into the system from the outside. He isn't interested in the throne or the petty squabbles of the Ten Great Families. He forced his way through the doors with a singular, obsession-driven goal: hunting down Phantaminum. As a Regular, he tears through every test at a speed that defies logic, leaving a trail of broken records and terrified administrators in his wake. But even for a man with the power to rewrite the rules of the Tower, the higher levels hold secrets that could break him. Does he really have what it takes to corner a god, or is he just chasing a ghost?

Also known as: Sin-ui Tap: Urek Mazino, 신의 탑: 우렉 마지노.