Ren descended back into the subterranean vault, accompanied by the girls, his closest friends, and whichever Vanguard leaders could afford to step away from the surface.
Arturo was absent. Someone had to manage the intricate logistics of the recovering capital, and the brilliant strategist simply could not spare the half hour required to fly down, stand idly in front of a metal wall while Ren worked, and fly back. However, Selphira made the trip, alongside the girls, Julius, Taro, Wei, and Finch, who carried Theodore perched dutifully on his shoulder. They were joined by a small detachment of civilian mushroom hosts that Wei had recruited to test his theories on mushroom networking.
Standing before the massive structure, Ren briefly asked Liora to hand back the Fire Ring.
He slipped the ancient artifact onto his finger and prepared to execute the final baseline repair. Operating without the massive surcharge of the castle’s dragon energy flooding his system drastically limited his raw output. He had to rely strictly on the rings and his two crystals, supported by the sprawling, interconnected mycelium web provided by the girls, Finch, Wei, the royal guards, the maids, and civilians. All of these hosts linked their own networks into Ren’s central node, feeding him their collective mana perception expansion.
That vast web was helpful, yet it only assisted him with the variables he already counted.
It drastically expanded his spatial awareness, sharpened his targeting precision, and smoothed out the flow of his available mana to direct the dense materials. It did not, however, expand the physical capacity of his own meridians.
That was his hard limitation... No matter how wide the golden network spread or how many hosts fed into the grid, Ren could only channel as much ethereal mass as his system veins could safely endure without scorching his channels. Consequently, his effective area of influence barely covered twenty to twenty-five percent of the dome’s total surface area, roughly equivalent to the radius of the hemisphere’s base.
They had been scraping by using every trick in the book.
Day after day, Ren had utilized a spiral distribution technique, physically dragging as much material as possible of the tri-elemental metallic alloy from the furthest reaches of his área of effect radius to reinforce the critical center. He had been robbing the outer edges of their thickness to pack more density into the central spot where the purple dragon was trying to break through. But physical mathematics had a strict ceiling, and Ren had finally hit it.
Because his operational range was limited to the base, continuing that spiral inward meant he had already consumed the outer perimeter almost entirely. There was simply no reachable material left to borrow without creating a fatal weak point that the containment pressure of a massive titan would eventually blow open. The floor of the vault had reached its final critical threshold of two days, confirming the exact nightmare Ren had suspected the moment he heard the titanic beast stop digging.
And nobody present could offer Ren direct assistance...
Despite knowing this, Julius and Taro engaged their double fusions and tried to force a miracle anyway. Tapping into their profound mastery over the earth, the two earth specialists attempted to sense the geometric curvature of the dome relative to the surrounding bedrock. They pushed downward on the upper hemisphere, straining to compress the higher walls and force excess material down to the base, desperately trying to give Ren fresh alloy to work with and extend the timer.
Yet they failed completely, even while pushing their elemental output to its upper limits.
"It is not yielding a single inch," Julius grunted, his palm pressed flat against the wall and his brow deeply furrowed from the immense strain. "I am sorry... It feels exactly like trying to push a mountain over with a single finger. It is just as frustrating as the first time we tried."
Beside him, Taro gave a defeated nod, dropping his hands from the structure.


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