Seven Days of Preparation

Godslayer Slash, second level.

Godslayer Thunder Eyes, embryonic form.

These two killing moves could often deliver the final hammer blow when facing peak experts. Godslayer Slash in particular possessed peerless power, but its consumption was immense as well.

"System, consume Demon Devil Lifespan to deduce the Godslayer Thunder Eyes, advancing it from embryonic form to minor mastery."

[Command confirmed. Deducing Godslayer Thunder Eyes (embryonic form → minor mastery) requires 800 years of Demon Devil Lifespan. Confirm?]

"Confirm!" Lu Chen gritted his teeth. The lifespan cost was enormous, but it was worth it! Eye techniques often caught enemies off guard, consumed relatively little, and had broader applications.

[Beginning deduction...]

The profound principles of various eye techniques—thunderous intimidation, evil-breaking purification, Godslayer: Soul Extinction, spatial insight, and more—intertwined and deepened.

Lu Chen felt waves of scorching heat and stabbing pain from his eyes, as though countless tiny bolts of lightning were tempering and reconstructing his eyeballs.

His spiritual sense also grew stronger, becoming more condensed and keen.

Only after a full two hours did the deduction end.

Lu Chen opened his eyes. A violet-gray gleam flashed through them and vanished, deep as a starry sky yet sharp as a divine sword.

He felt that his vision had become clearer. He could even vaguely see through the flow paths of certain energies.

The power, range, and control precision of his eye technique had all improved significantly.

[Godslayer Thunder Eyes has been raised to minor mastery. New abilities: Delusion-Breaking (can see through some illusions, disguises, and energy weak points); Gaze (locks onto a target with the eyes, slightly slowing the target's movements and enhancing the effects of other eye techniques).]

Looking at the remaining 2,465 years of Demon Devil Lifespan, Lu Chen stopped himself from continuing to spend it