Elias lived on Level , a transitional zone suspended between the smog-choked industrial "Roots" below and the sun-drenched "Crown" above. Level 485 was the level of the Fixers. It was a place of constant humming machinery, neon-lit repair shops, and the smell of ozone and rain.
In the year 2485, Earth was no longer a planet of continents, but a planet of levels.
He soon realized these weren't just coordinates for his floor—they were a code. By inputting the numbers into the sector’s ancient ventilation override, Elias discovered a hidden "pocket" between the steel layers of the world. Inside wasn't more machinery, but a preserved glass biodome containing a single, ancient oak tree—the last of its kind.