Corvus entered the new study and stopped before the main command desk.
Dark shelves climbed the walls, already waiting for records, maps, and sealed reports. Ward channels ran through black metal beams and rune-set stone with the same disciplined craftsmanship found everywhere else in the fortress. A broad desk faced the primary command stone set into the floor.
He approved of it at once. The main wardstone was behind hıs desk. He watched as three drops of his blood soaked into it.
"Arx Obscura."
The name settled into the chamber as if it had been waiting for it.
The main wardstones answered first, and the wave travelled from them to every supporting stone.
Corvus felt them through the floor, through the walls, and through the deeper linked structure running through the whole fort. They were not passive anchors. They were a nervous system waiting for one mind to take proper hold of it.
Light ran out from the centre in branching lines, passing through the floor, into the wall channels, and onward to every connected wardstone across the entire fortress.
Engine wards, shield matrices, internal barriers and lift routes. Every connected system drank and recognised it.
The fortress accepted him.
Arx Obscura belonged to him now in every sense of the word.
Its defensive heartbeat was in his blood. Its weapons would answer his will. Its shields would close or open because he permitted it.
The cut in his palm healed in a second, and he turned as the last of the binding light withdrew into the stones.
Manard was waiting near the study doors with the expression of a man who was getting used to building impossible things and still wanted one final word of approval from the only person whose opinion could truly satisfy him.
Corvus gave it without meanness.
"You outdid yourself."
The enchanter's face shifted under the praise in a way Fleur found unexpectedly honest. He looked proud before. Now he looked relieved as well.
Manard inclined his head deeply. "She was built to outlast kingdoms."
"And to bury a few," Corvus replied.
That earned a brief, sharp smile.
New orders had already been given. The former enchanter was to return to the Azkaban yard and start work again. There were always other hulls to refine, engines to improve, weapon ports to enlarge, and logistical idiocies to remove before they had time to become tradition.
Corvus clasped Manard's forearm once more before they parted.
"Fancy another flıght?" he asked. "You have earned the indulgence."
Manard's eyes brightened at once. That was exactly the sort of gift that mattered to him more than coin.
-
Corvus returned to his new chambers after Manard had the privilege of seeing the Dementors up close.
They occupied the highest private section behind the throne complex, protected by blood wards; even the Bastion Guards would need his leave to cross the inner threshold. The rooms were broad, severe, and built with enough comfort to matter only after security had already been satisfied. A private study opened off the main chamber. The bedchambers extended beyond that. Separate suites had already been marked for Elizaveta and Fleur within the personal wing, though both had freedom to ignore the formal arrangement whenever it no longer suited them.
Corvus stood by the tall window slit at the outer wall and felt the fortress's internal court through the wards.
Within months, his new force would be ready to move on multiple fronts.
The order of conquest had already arranged itself in his head.
Thanatos first.
There was no point pretending otherwise. Purgatory remained the nearest true obstacle, the nearest harvest to seize, and the nearest source of higher leverage. He had no intention of killing the Architect once he was captured. Death would be far more useful alive, contained, and examined to his satisfaction.
He would keep Thanatos in his own realm under control.
As a new involuntary assistant in the laboratories for as long as the arrangement remained useful.
That thought pleased him enough to stay with it for a while.
From there, his gaze moved higher.
The moon first.
Then the planets or other satellites that could house settlements.
Mars and certain moons were worth the effort. He had already begun wondering what would happen if the same rituals he now used to keep the planet's regard favourable were performed there at scale. Not once. Repeatedly. Feed the moon. Feed Mars. Feed the useful satellites and watch whether the dead places learn to answer like living magical ground.
The first settlement plan belonged to the moon.
It was close. It was visible. It would matter symbolically to both magicals and mundanes, which made it too useful to leave alone. From there, the rest would follow in the proper order.
Earth would remain under his rule as it was, hosting both magicals and mundanes. The wider heavens, however, did not need to be shared.
For now, at least, the rest would belong solely to magicals.
-
Elsewhere in the personal wing, Fleur and Elizaveta were choosing chambers.
The task should have looked domestic. It did not.
Nothing in Arx Obscura felt small enough for domesticity unless one imposed it by force of personality. The suites opened off a long private corridor lined with dark metal, silent wards, and high windows charmed to display the sky outside in whatever direction the fortress happened to be facing. One set of rooms overlooked the dragon nesting levels below. Another opened toward the forward command lines. A third sat nearest the private study and throne access.
Elizaveta dismissed the first suite after one glance.
"Too near the dragons."
Fleur stepped into the second and walked slowly through the rooms, fingers brushing the edge of a writing desk, the back of a chair, the frame of a wardrobe already charmed to hold far more than it physically should.
"This one was chosen by someone who thinks women only need mirrors and curtains if the walls are expensive enough."
Elizaveta's mouth curved. "That narrows the suspects not at all."
They took the third suite for Fleur, and the chamber closest to Corvus's private rooms for Elizaveta without pretending the symbolism of that arrangement had escaped either of them.
--
Black Bastion, the Unit, and Black Spire had begun settling into their assigned sections, and every one of them needed permissions, routes, chamber assignments, and graded access. Corvus had made one decision early and held it without compromise. He would not delegate the authority to grant passage through the deeper layers of Arx Obscura.
No one else would decide who could move freely through his fort.
That had cost him three full days.
Three days of permissions, blood checks, access levels, closed routes, dragon handling authorisations, lift authority, throne wing exclusions, armoury restrictions, ward exemptions, emergency overrides, and the hundred other details.
By the end of the third day, Bastion officers knew which decks were theirs, the Unit had their medical and field response lines, Black Spire had vanished into the sections it preferred without ever once gaining access where it had not been invited, and the dragons chosen for permanent stationing aboard had been moved into the upper nesting levels.
Corvus had walked the nesting levels himself and chosen which hundred he wanted on board. Temperament mattered. So did range, size, territorial habits, and how likely each one was to take offence if roused mid-flight by a weapons discharge or a sudden change in altitude.
When the last permissions were settled and the last chosen dragon was sleeping in its designated range, he returned to the throne room and sat.
The chamber's ceiling, walls and floor had been charmed so that the outside could be seen as though the whole room stood in open air. It did not feel like an illusion.
Elizaveta and Fleur entered together and took their places below the dais, neither speaking because both could feel that he had reached the end of one phase and was about to begin another.
Corvus willed the fortress to turn invisible.
The command passed into the wardstones and out through the hull. Arx Obscura blurred, thinned, and vanished from sight so completely.
Then he turned the whole fort west.
Arx Obscura moved toward the Atlantic.
He tested the speed first.
The engines answered with deep, contained force. The hull held. The forward shields tightened and adapted to the increasing drag without draining more mana than the projections had promised. Corvus kept pushing until the fortress cut through the air fast enough that a weaker structure would have started complaining in every bolt and beam.
Arx Obscura did not complain. Her speed started to increase. Mach 3, Mach 12, Mach 23, and still going up. Mach 23 was the least speed rockets must reach to enter orbit. For deep space missions, rockets need to reach Mach 33 to escape Earth's gravity.
Arx Obscura reached Mach 40 without complaint.
He tested endurance next.
The mana shields came up in full. He held them there, layered and dense, and measured the draw as the fortress kept moving. The internal reserves carried the burden without strain. The reactors remained stable. The outer skin of the shield thickened cleanly under added pressure and did not flicker once.
When he was satisfied with both speed and shield endurance, he started to increase the altitude.
The ocean dropped away first.
From the throne, it felt as if the world itself was dropping rather than the fortress rising. Clouds passed beneath them. The sea became a moving field of grey blue. Then came the coasts, the spread of land, the hard lines of continents and islands losing their immediate character and becoming shapes instead of places.
Fleur forgot herself long enough to take a step forward.
Elizaveta did not. She simply watched the world diminish with one hand resting lightly against the arm of the lower seat beside her.
Corvus kept his gaze steady on the horizon.
After a short while, the curve of the planet became visible.
The chamber's charmed floor and ceiling showed it all without distortion. The ocean bent. The land bent with it. The sky darkened by degrees until the blue thinned and the higher black waited beyond it.
Arx Obscura left the atmosphere soon after.
The fortress did not lurch or protest. It carried on, now freed of the weight of air, now moving through a silence vast enough that even the throne room seemed quieter inside it.
Fleur looked down where the Earth now hung beneath them with impossible size and familiar colours.
Elizaveta looked at Corvus.
He had not moved.
He turned his gaze forward instead, past the dark, past the distance, and fixed on the moon.
The lonely satellite waited in pale stillness.
Corvus willed the giant fortress toward it.
Arx Obscura obeyed without hesitation, and Corvus began his first true passage beyond Earth.