MTL - The Void Lord’s Path To Planar Conquest - Chapter 233 Demon Spider

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

A cataclysmic threat looms over all realms in existence, unnoticed by any.The Enigma Race, the harbingers of ruin, corrupts everything in their path, harvesting countless souls for their enigmatic Lord, posing a dire threat to all living beings. No realm is safe.While confronting invading forces from a foreign multiverse, Elias is cast out of his space-time continuum and into the chaotic depths of the Temporal Vortex, a location that has spelled the doom of many, due to a catastrophic accident.To survive, the once supreme Quantum Seeker, now weakened by a cunning invader, musters all his remaining might and, against all odds, transcends the Vortex, losing his body in the process. His consciousness drifted into the miraculous Mystic Multiverse, located in a different space-time continuum. Now, determined to return and save the ones he left behind, Elias vows to reclaim his lost strength.But as time passed, Elias discovered that the new realm isn’t as simple as he initially thought…

After ten thousand years of cultivation, he could have achieved immortality. However, his lack of human experience led to his failure to attain immortality.Thus, he resolved to immerse himself in a century of human existence, seeking to enhance his journey toward immortality. What he didn’t anticipate, though, was that upon entering the human world, he would find himself cast as a son-in-law, facing disdain not only from his wife’s parents but also from his beautiful wife herself.Armed with a wealth of cultivation knowledge, how could he transform his drab human life?