The Submerged Archive Vault lay beneath the Glass-Burnt Temple, hidden under layers of broken stairs and sunken stone.

The entrance was a circular door half-covered by dark water. Around its frame were old sealing marks—some golden, some silver, some black-red. Qin Yuheng immediately recognized the pattern structure from the Crimson Eclipse Anchor Map.

Opposition.

Balance.

Overwrite.

Containment.

Qin Mo saw it too.

"This vault was sealed after corruption, not before."

Jiang Rui nodded.

"Original seal tried to contain what was inside."

Jiang Yuexuan looked at the silver marks.

"Moon-type restraint."

Qin Yuheng did not look at her immediately.

The meaning was obvious.

Someone had used moon authority here too.

Not necessarily Mu Clan.

But similar.

The mission panel updated.

[Marked Site Three reached:

Submerged Archive Vault]

[Objective]

Identify archive status and retrieve safe evidence if possible.

[Warning]

Opening central vault may trigger Shattered Sun Pulse acceleration.]

Qin Mo stared.

"Then we do not open central vault."

Lu Sheng asked, "Can objective complete without central opening?"

Qin Mo looked at the side seals.

"Maybe. There are outer record chambers."

Jiang Yuexuan agreed.

"Central vault is likely bait."

Qin Yuheng made the decision.

"Outer chambers only. No central opening unless evacuation path remains secure and all agree."

No one objected.

That alone showed the coalition had grown functional.

They entered the water.

It reached their waists but did not soak normally. It felt heavy, like liquid memory. Jiang Yuexuan’s aura stabilized the surface, creating faint star-river ripples. Qin Mo placed floating formation markers. Wei Chen’s team guarded the rear door. Lu Sheng’s squad held side corridors.

The first outer chamber contained broken record plates.

Most were unreadable.

One remained intact.

[Outer Record Plate A]

False solar authority requires witnesses.

Witnesses become shadows.

Shadows stabilize direction.

Without shadows, false sun burns itself hollow.

Qin Mo copied it.

Second chamber.

[Outer Record Plate B]

A living key is not always willing.

A sleeping seal is not always weak.

If key refuses turning, guilt, blood, command, or kinship may be used.

Qin Yuheng’s eyes darkened.

Kinship.

That was why Blood Sun used responsibility traps, family wounds, Zhao Tianyu, and father-related visions.

They were trying to turn the key through chosen bonds.

Third chamber was sealed.

Jiang Yuexuan inspected the silver marks.

"This chamber contains moon restraint records."

Qin Yuheng remembered Mu Qinglan’s warning.

Do not open moon-void records.

He shook his head.

"Skip."

Jiang Yuexuan looked at him for a breath, then nodded.

"Correct."

Qin Mo exhaled in relief.

Then the central vault pulsed.

The water trembled.

A voice came from behind the sealed central door.

"Key..."

This time, everyone heard it.

Wei Chen raised his shield.

Lu Sheng’s squad tightened formation.

The voice came again.

"Key beneath false sun..."

Qin Mo’s face changed.

"It completed the phrase."

Qin Yuheng’s mind remained cold.

A completed phrase offered by a sealed vault was not necessarily truth.

The central door cracked slightly.

Red-gold light leaked out.

A panel appeared.

[Central Vault responding to living key resonance.]

[Open / Seal / Withdraw]

This was the choice.

Open: gain answers, trigger danger.

Seal: suppress response, maybe complete objective.

Withdraw: avoid risk but leave active resonance.

Qin Yuheng asked, "Can we reinforce seal without opening?"

Qin Mo and Jiang Rui exchanged glances.

"Yes," Qin Mo said. "But it will resist."

Jiang Yuexuan added, "It may reveal partial pattern during sealing."

"Enough."

Qin Yuheng selected seal.

The vault reacted violently.

[Central Vault rejects sealing.]

[Shattered Sun Pulse accelerated.]

[Vault Guardian awakening.]

The water surged.

A massive figure rose from beneath the surface, formed of red-gold glass armor, black shadow chains, and a hollow sun core.

[Submerged False Sun Guardian]

[Level Equivalent: 39]

[Type:

Vault guardian / false solar authority construct]

[Abilities:

- Key Resonance Pull

- Shadow Witness Chains

- Drowned Sun Pulse

- Archive Compulsion]

[Weakness:

- Moon restraint marks

- Anti-domination authority

- Seal reinforcement]

Qin Mo shouted, "This is why we do not open vaults!"

Qin Yuheng planted the Chosen Road Banner Field instantly.

"Formation groups, reinforce seal. Wei Chen, guard them. Lu Sheng, intercept chains. Jiang Yuexuan, moon restraint marks. Qin Lian, shadow chains. Qin Yuchen with me."

The battle began in waist-deep memory water.

The Guardian’s first attack was not physical. It pulled at Qin Yuheng’s chest with invisible resonance.

Key Resonance Pull.

The Anti-Domination Authority Crystal warmed.

The True Self Soul Anchor stabilized him.

Still, the pull was strong.

It did not control his body.

It called to something unnamed.

Not Primordial Origin Evolution.

Not thunder body.

Something deeper connected to Qin blood and dormant seals.

Qin Yuheng pushed the sensation down.

"Not now."

He advanced.

Qin Yuchen struck the Guardian’s leg joint. Qin Lian cut black shadow witness chains. Lu Sheng’s squad formed spear lines to keep the Guardian from reaching Qin Mo. Wei Chen blocked Drowned Sun Pulses with his shield, each impact driving him back through the water.

Jiang Yuexuan stood before the silver moon restraint marks.

Her aura changed.

For the first time, Qin Yuheng saw a deeper layer of her power.

A river of stars curved behind her, reflecting a pale moon that was not in the sky.

She did not reveal everything.

But enough.

The moon restraint marks awakened.

The Guardian slowed.

Qin Mo and Jiang Rui reinforced the central seal.

Progress appeared.

[Central Vault Seal Reinforcement: 18%]

The Guardian roared.

Archive pages burst from the water, trying to open in front of Qin Yuheng.

Forbidden Concept Sealing Bookmark activated, sealing several titles. But one page showed a symbol: a black sun above a kneeling shadow.

The image burned into his mind before the bookmark closed.

Corruption exposure rose.

[Coalition Corruption Exposure: 17% → 29%]

Still below threshold.

But the next Shattered Sun Pulse was coming.

Qin Yuheng compressed the banner field.

"Finish seal before pulse!"

Qin Mo shouted, "Trying!"

The Guardian raised its hollow sun core.

A Drowned Sun Pulse formed.

If released, it would strike the formation group and break the seal.

Qin Yuheng made a fast decision.

"Lu Sheng, protect formation. Wei Chen, with me."

Wei Chen moved instantly.

Together, they blocked the pulse.

Wei Chen’s shield took the front.

Qin Yuheng’s thunder reinforced the impact line.

The pulse struck.

Wei Chen coughed blood in the simulation-real body feedback.

Qin Yuheng’s arms shook.

But the line held.

Jiang Yuexuan used the awakened moon restraint to bind the Guardian’s core for three breaths.

Qin Lian cut the last shadow witness chain.

Qin Yuchen opened the armor gap.

Qin Yuheng struck.

Thunder pierced the hollow sun core.

Not destroying it fully.

Disrupting it.

Qin Mo screamed, "Seal complete!"

[Central Vault Seal Reinforcement: 100%]

[Central Vault response suppressed.]

[Submerged False Sun Guardian destabilized.]

The Guardian collapsed into water and glass fragments.

A sealed core fragment remained.

[Evidence Candidate:

False Sun Guardian Hollow Core Fragment]

Status:

High relevance.

Stable under seal.

The Shattered Sun Pulse hit seconds later.

Because the vault seal was reinforced, the pulse weakened as it passed through the underground water.

Corruption exposure rose only slightly.

[Coalition Corruption Exposure: 29% → 33%]

The mission panel updated.

[Three marked sites investigated.]

[Corruption pattern identified:

Artificial false solar authority supported by shadow witness nodes, domination overwrite, key resonance, and moon counterweight restraint.]

[Safe evidence sample required.]

Qin Yuheng selected the False Sun Guardian Hollow Core Fragment as evidence.

It was more dangerous than the temple disc but also more complete.

Jiang Yuexuan agreed.

Lu Sheng checked the evacuation timer.

"Collapse in forty minutes."

Qin Mo looked exhausted.

"Then let us leave before the ruin develops another opinion."

They began retreat.

Behind them, the central vault remained sealed.

But as Qin Yuheng left, the sealed door whispered one final time.

"Key beneath false sun... sleeping seal beneath key..."

He did not turn back.

Pattern.

Not answer.

That was enough for now.