In the ninth chamber, the ruins finally demanded more than just their physical presence.
Two High-Gold guardians materialized from the floor and immediately fused, twisting into a massive, jagged cyclone of razor-sharp rocks and howling pressure.
For the first time in actual combat, Ren drew the Mantis crystal.
He left Sirius’s core safely tucked away. He wouldn’t dare use it for battle, nor would he try to fuse his mantis one with it. Using it as a weapon meant treating a person, the father of someone incredibly important to him, like a disposable field tool. Even if the crystal was still partially corrupted, even if the man was currently trapped in the petrified statue they had left behind and even if he could repair it later, Ren refused to cross that line.
The Mantis crystal, however, was entirely different.
It was, technically speaking, a clone of his own system. The door’s mechanism had taken a perfect scan and stored the original. But the replica the system spat out possessed the exact same structural integrity. It held the identical neural-mana pathways the Mantis had carved into Ren’s own system.
Those invisible, metaphysical sockets were still waiting inside Ren’s body, perfectly shaped for the crystal he now held in his hand.
It was like holding the final piece of a puzzle, intimately knowing the exact shape of the void it was meant to fill.
Using it didn’t feel like wielding a weapon. It felt bizarrely akin to flexing his own fingers.
The synergy wasn’t merely skill like Orion’s case; it was instinctual. The moment his skin touched the faceted surface, energy surged. Before Ren could even formulate a conscious command, the crystal aligned. The trajectory of his attack auto-corrected, his internal system calculating the flawless angle of execution in a fraction of a second. It felt less like casting a spell and more like extending a limb he had momentarily forgotten he possessed.
The fused High-Gold guardian took the full brunt of the crystal’s full strike. The beam of raw, Mantis-aspected gem light ray hit with such devastating, focused power that the construct simply ceased to exist.
The brief skirmish turned the ninth chamber into nothing more than a live-fire testing ground for Ren’s new weapon.
Finally, they breached the tenth chamber.
The ruins threw their last desperate defense at the intruders: a towering Platinum-rank entity, a flawless amalgamation of crushing earth and shredding wind. The beast roared, unleashing its full, unadulterated power in a sweeping shockwave meant to flatten them all.
Ren didn’t dodge.
He raised the Mantis crystal, projecting a perfect, impenetrable shield that absorbed the Platinum-level impact with a resonant, bell-like chime. Behind the safety of the barrier, Ren instantly initiated a fusion with his two remaining beasts.
The mana in the room grew suffocatingly dense. He charged the attack for five long and powerful seconds.
When he finally released it, the devastation was absolute. The Platinum construct shattered into a million harmless pieces.
The last guardian fell.
In its ashes lay the pristine core they needed for the last door in the very first ruin in Starweaver territory, the objective that had started this entire, grueling campaign. Ren picked it up, storing it alongside their accumulated spoils.
A deep satisfaction settled over him. This part of the job, at least, was completely finished.
The tenth and final reward chamber didn’t have a massive door requiring three cores to open.
The moment Ren stepped across the threshold, he recognized the architecture. It mirrored the water and fire ruins perfectly. It was the specific, deliberate layout of a space designed to be a final transit point, not a fortified vault.
This was the end of the line.
Without the oppressive, lingering hum of a pending trap or an active mechanism, the air here felt different. It was profoundly still. It carried the heavy, undisturbed quality of a forgotten tomb, a place that had waited in the dark for an eternity for someone to finally arrive.
The pedestals stood in the dead center of the room.
Resting on top were the double-contract potions. The system had hoarded them here, saving its greatest treasure for the very end rather than scattering them along the path. The vials glowed with a soft, pristine light, perfectly preserved after their long wait.
But they weren’t the only things waiting in the center.
And right there, exactly as Selthia had mentioned, was an egg.

This was what remained of the Whisper of the Wind, the half-corrupted guardian capable of weaving terrifyingly real illusions. The exact beast Selthia had coveted for her own arsenal, the one that could forcefully project a person’s deepest desires into reality. It had left this legacy behind.

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