The radiance of the Spirit Realm battlefield streamed down from the sky, yet the transformation room was remarkably quiet. Xiang Fan, having logged in, deftly blocked all messages, even the barrage notifications, ensuring no interruptions. He piloted Mech Zero with familiarity into the transformation room, the basic transformation area provided by the Spirit Realm battlefield for novice mecha technicians. While the facilities were simple, they offered the most important thing: quiet.

The furnishings in the transformation room were extremely simple. A few basic robotic arms stood quietly, and various virtual tool models were placed on the workbench. The air was filled with faint psychic fluctuations. Xiang Fan stood in the center, looking around. After confirming that no other players were online, he breathed a sigh of relief. Then, he activated the mech's virtual transformation interface, and a holographic projection screen immediately appeared around him. Complex data streams surrounded his vision, like a dazzling psychic formation.

On the projection screen, the thruster diagram occupied most of the space, while the Spiritual Pattern Analysis Diagram and the Red Flame Crystal's Energy Fluctuation Characteristics diagram were split into multiple windows and suspended around the screen. Each Spiritual Pattern line resembled an exquisite talisman, shimmering with a faint spiritual light, imbuing the entire space with a blend of fairy-like and sci-fi elements.

Xiang Fan took a deep breath and reached out to call up a three-dimensional model of the thruster. The model slowly rotated in the air, a virtual projection of the Red Flame Crystal embedded within it, emitting a faint red glow. He stared at the model, his mind recollecting the massive amount of work he had recently put into preparing for the renovation.

He spent countless nights lurking on the Spirit Realm battlefield forums, browsing player-posted modification cases, memorizing everything from basic thruster tuning to advanced psychic flow control. He even risked his life by secretly borrowing advanced books from the Sutra Library, such as "Theory of Array Pattern Psychic Energy," "Thruster Modification Guide," and "Detailed Explanation of Foundation Establishment Spiritual Patterns." Every time he borrowed a book, his palms sweated with nervousness, fearing the administrators would discover his unusual behavior. The content of these books was obscure, but Xiang Fan persevered through them with sheer tenacity.

"It's finally time to put it into practice," Xiang Fan muttered to himself, his voice tinged with excitement yet also a hint of trepidation. He activated the model's editing function, connected the Red Flame Crystal's energy flow diagram to the thruster's psychic circuit, and simultaneously activated the robotic arm to begin detailed debugging.

The robotic arm moved with lightness and precision, grasping the virtual tool to adjust the angle of the spiritual pattern node. Xiang Fan manually controlled the spiritual energy adjustment device, adjusting the energy flow while constantly referring to the real-time data on the holographic screen. With each adjustment, the spiritual energy fluctuations would undergo subtle changes, and the spiritual realm system's prompt sounded:

"The flow of spiritual energy is not stable. It is recommended to recalibrate the array pattern."

"The thruster spirit pattern core may be unbalanced, please be careful."

Xiang Fan glanced at the prompt but ignored it. He was completely focused on adjusting the spiritual pattern circuits, synchronizing the energy properties of the Red Flame Crystal with the propulsion system's psychic energy transmission. His hands moved swiftly, as if playing a symphony of spiritual patterns. Every stroke of the spiritual pattern required millimeter-level precision; even the slightest deviation would disrupt the entire propulsion system's energy flow.

He activated the psychic energy diversion process, channeling excess energy into a backup circuit through a temporary formation structure. Red psychic energy lines flowed through the void like streams, flickering with an unpredictable glow. Everything seemed orderly, but in reality, Xiang Fan's palms were already covered in sweat.

"The energy fluctuations of the Red Flame Crystal are too strong," Xiang Fan muttered, his eyes fixed on the constantly jumping values ​​on the screen. "If we don't optimize the spiritual energy transmission path, this thruster will not be able to sustain its energy output."

He once again accessed the Spirit Pattern analysis diagram, comparing the energy parameters of the Red Flame Crystal with the existing structure of the thruster. Then, with the assistance of the robotic arm, he added a new rune node to the Spirit Pattern circuit. This node not only required a precise calculation of energy flow rate, but also required the incorporation of special temperature control properties into the rune to prevent the Red Flame Crystal from losing control under high load.

Xiang Fan manually fine-tuned the position of the point. Once complete, he entered a series of test commands to simulate the thruster's operation. In the holographic projection, the thruster model slowly rotated, and the red flame crystal began to emit a dazzling light. The entire spiritual pattern circuit was instantly filled with spiritual energy.

"The success rate is... 87%." Xiang Fan looked at the data on the screen, a smile finally curling his lips. He wiped the sweat from his forehead, leaned back in his chair with tiredness but satisfaction, and muttered, "Although there are still some flaws, at least it's a big step forward."

The spiritual realm transformation room was still quiet, with only the occasional slight noise from the robotic arm and the light from the data screen silently telling of his efforts.

The atmosphere in the reconstruction room seemed frozen, only the subtle hum of the robotic arm echoing in the silence. Xiang Fan stared at the data stream on the holographic screen, his hands sliding across the virtual console, every subtle adjustment carefully considered and verified. The complex psychic circuits, like an exquisite scroll, gradually took shape around the Red Flame Crystal. Each line seemed to contain a unique rhythm, like an unfinished psychic symphony.

A red flame crystal nestled quietly within the core of the thruster, its pale red glow spreading through the spiritual patterns, vaguely blending into the entire structure. The flow of spiritual energy was magnified on the projected model, with points of light slowly moving like fireflies, marking the direction of energy flow and the load status of the circuit. Whenever a point of light strayed from its trajectory, a warning icon flashed in the corner of the screen, alerting the user to a potential imbalance.

Xiang Fan paused, pulled out a virtual spiritual pattern array template, and reexamined the psychic energy transmission structure within the thruster. He carefully matched the data from the Red Flame Crystal with the template's psychic energy carrying capacity, while comparing it with relevant cases in the "Thruster Modification Guide," attempting to find a more efficient optimization solution.

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