Chapter 115: Tracing the Ashes

When the outline of the chemical park emerged in the morning mist, everyone stopped in their tracks.

This is not an ordinary ruin. The towering disassembly tower leans like a giant's skeleton, rusted pipes coil like vines, and the ground is covered with multicolored chemical crystals—eerily beautiful, deadly in its silence. In Su Yu's True Knowledge Vision, the area is torn by two colors: a murky gray‑black shadow seeping into every inch of metal and soil like mold, and at the ruin's center, a slender yet resilient blue light column pierces the gloom, pulsing faintly.

"Radiation readings… normal?" Kaiwen said, staring at the detector, incredulous, "Chemical pollutant levels are also below expectations. This isn't scientific."

Makusi tapped the adjacent storage tank with his metal finger, producing a dull echo: "Looks like someone cleaned up in advance."

Han Qing half‑kneeling, picked up a crystal. The crystal refracted a rainbow in the sunlight, yet a thin black thread writhed inside. "Shadow material has been 'sealed' within these crystals. A clever approach—if it can't be purified, then temporary Isolation."

The pendant at Su Yu's neck burned her skin. She inhaled deeply: "The blue light is moving. Not fixed, but… wandering."

"A living thing?" Zhang Yang gripped his gun.

"I don't know." Su Yu pointed toward the depths of the park, "but it's leading the way."

Upon entering the park, the light suddenly dimmed. Collapsed steel frameworks criss‑crossed in mid‑air, forming a natural tunnel. The team advanced in tactical formation, their footsteps echoing oddly through the void.

"Come to think of it," Kaiwen said abruptly, his voice unusually clear in the silence, "the boss repaired the motorcycle that time, and tested it around here, right?"

Han Qing answered from the rear of the squad: "Yeah. He said the roads in the chemical park were the smoothest—before the disaster they were the main transport arteries."

"He also said," Wang Hu spoke, unusually, his voice muffled by his mask, "that this was the first time he saw stars here."

Everyone turned to him. The silent man rarely brought up the past on his own.

Wang Hu pointed to the intersecting steel‑beam gaps overhead: "He said that night there was no power, the ruin was so dark you couldn't see your hand. But looking up through a pipe fissure, the stars were especially bright. He said… 'It turns out you don't need much light; a little is enough.'"

Su Yu looked up. The morning mist had thinned, and sunlight filtered through the gaps of the steel forest, indeed like stars.

She suddenly understood why Chen Mo could always keep hope in dire situations. He was the one who learned to look up at the night sky amid the ruins.

Ahead, a relatively open area appeared—the former Central Control Tower Plaza. In the plaza's center, the sight made everyone hold their breath.

Shadow crystals here had formed a bizarre "cocoon." The translucent crystal enveloped a small zone, about three meters in diameter, and the blue light emanated from the cocoon's core.

More crucially, the cocoon's surface bore markings.

Kaiwen leaned in to examine, his glasses almost touching the crystal: "Is this… writing?"

It was indeed characters, etched onto the crystal surface with some sharp tool; the strokes were sloppy yet clear:

【Su Yu, do not use the disc to purify here. Wait for me.】

The signature was a simple symbol—the abbreviated signature Chen Mo habitually used.

"He's still alive?" Zhang Yang's voice trembled with disbelief.

Han Qing shook his head, professionally and brutally: "The information is etched onto the crystal. Forming the crystal takes time, at least several months. He left this behind in advance."

Su Yu's hand pressed against the crystal cocoon. The cocoon was warm, like a living creature's body heat. The blue light filtered through her fingertips, casting a glow on her palm.

"What is he waiting for?" she asked softly.

The moment Su Yu touched the cocoon, an anomaly occurred.

The blue light inside the cocoon surged abruptly, forcing everyone to squint. More characters appeared on the crystal surface, as if an invisible hand were writing swiftly:

【Authorized contact detected. Sub‑protocol initiated.】

【Warning: Cocoon contains sealed 'Mark Core' ×1, Order‑force fragment ×1, Memory Fragment ×3.】

【Purification will cause fragments to dissipate. Recommendation: Resonance extraction.】

The characters flickered for three seconds then vanished. The cocoon began emitting a faint "click‑click" from within, like cracking ice.

"Fall back!" Han Qing barked.

The team quickly dispersed, weapons cocked. But Su Yu didn't move. In her True Knowledge Vision she saw something different—the cocoon wasn't breaking, it was… hatching.

The crystal at the cocoon's apex began to melt, not physically but dissipating like morning mist under sunlight. The melted portion revealed the interior scene.

Chen Mo was not there.

Only three things remained:

First, a fist‑sized mass of constantly writhing pure black shadow—that is the 'Mark Core,' a hundred times denser than the ones they previously purified.

Second, a hovering walnut‑sized blue crystal fragment, emitting a familiar Order‑force pulse.

Third, three floating Light Spheres, each about the size of an egg, rotating slowly.

Su Yu reached out, her fingertips passing through the dissipating crystal barrier. Her fingers first brushed the blue crystal fragment.

At the moment of contact, a fragment of broken perception flooded her mind—

Pain. Soul‑rending pain.

The darkness of the Door of the End devoured everything, yet in his hand he clutched a Starlight Crystal, as if holding the last match.

The instant of insertion was not release, but a deeper fall—he felt himself torn apart, a part remaining here, a part dragged into the Door, and a small fragment…

With his final will, he "nailed" that tiny piece toward the way home, like tying a red rope in a blizzard.

The perception cut off.

Su Yu opened her eyes, tears blurring her sight. She finally understood what the blue light was—it was the last fragment of "self" Chen Mo forced to remain in the world when he was torn apart.

It was to guide them.

It was to say, "I'm here waiting for you."

"Su Yu!" Kaiwen shouted suddenly, "the shadow core is activating!"

The black mass began to expand, its surface sprouting countless eye‑shaped patterns. The cocoon's dissipation lifted its seal.

Han Qing had already raised the disc: "Purification protocol initiated!"

"No!" Su Yu barked, "using the disc will destroy the crystal fragment and the Memory Fragment together!"

"Then what do we do?" Zhang Yang's barrel pointed at the shadow core, which had now swelled to half a human's height, beginning to sprout tendrils.

Su Yu looked at the blue fragment in her hand. It still glowed, faint yet steadfast. She recalled Chen Mo's notebook, the knowledge of the stardust wall, and the essence of the "Heart Flame."

She had experienced loss. She had witnessed despair. She had once stood before him, using her self‑defined "existence" to oppose "nothingness." Now she understood—what Chen Mo left was not a relic but a test.

He believed she could find the answer.

"Kaiwen," Su Yu's voice was unusually calm, "set everyone's Heart Flame Resonator to maximum output, synchronize the frequency. Han Qing, ready the disc but do not activate—it will serve as an energy field amplifier."

"What are you going to do?" Aili asked.

"Do what he taught me." Su Yu clenched the blue fragment; its edge cut her palm, blood seeped into the crystal, tinting the blue light with a trace of gold-red. "Using 'existence' to counter 'nothingness'. But this time..."

She walked toward the expanding shadow core, its tendrils already reaching to within one meter of her.

"This time I'm not protecting anyone." Su Yu closed her eyes; all Heartflame Resonators hummed in unison, a golden glow emanating from each person and converging on her. "I'm welcoming someone home."

Gold and blue light burst from her hand—not an attack, but… an invitation.

The tendrils of the shadow core froze in the light.

Then it began to collapse—not purified, but "covered". The gold and blue light seeped into every inch of its darkness, like clear water poured into an ink bottle, diluting, transforming.

When the last trace of darkness dissipated, only three things floated in the center of the plaza: the blue crystal fragments, three Memory Light Orbs, and…

A newly sprouted, emerald-green leaf hovered in midair, slowly rotating.

At the leaf's center was a point of golden light smaller than the tip of a needle.

Kaiwen's detector screamed wildly: "Unknown life response! Energy signature… similar to 'Heartfire' but purer!"

Su Yu reached out; the leaf drifted onto her palm. That point of golden light was warm like a heartbeat.

The cocoon had completely dissolved. Morning light finally shone fully into the plaza.

Han Qing lowered his weapon, remained silent for a long time, then said: "He left a leaf."

Makusi laughed—that of a veteran who had seen through life and death, finding peace: "Not a leaf. A seed."

Su Yu cupped her hands, carefully gathering the seed, the fragments, and the three light spheres.

She knew where to sow it.

"Return to the Pure Land." she said. "Go to the Stardust Cradle."

Some things can only regrow in that luminous soil.

And the true danger had only just begun—they had purified the "Abnormal Mark," but also exposed their position.

In the sky above, an invisible shadow network had locked onto this suddenly "cleansed" area.