The No.1 Undercover in the Immortal World - Chapter 143: This Child Must Not Be Kept (6th Update)

What to ExpectWelcome to this Martial Peak fanfiction, a respectful expansion of the legendary work by the original author. This fic follows the core events of the original, with a fresh twist in the form of a new protagonist who is an “outsider”—a modern reader reincarnated into the world of Martial Peak.1. MC Setup: A Cultivation Novel Reader in Martial PeakThe protagonist is NOT someone from the Martial Peak universe but a cultivation novel enthusiast from another world.No prior knowledge of Martial Peak, but vast experience with cultivation logic, tropes, and meta-awareness from similar novels.This allows for unique decision-making, unconventional strategies, and a slightly different approach to situations while still following the original storyline.He won’t be overpowered from the start, but expect fast progression due to his deep understanding of cultivation mechanics.2. Respect for the Original PlotNo major timeline changes—key events still happen as they should.All future arcs and climaxes remain intact to preserve the integrity of Martial Peak.What changes? The MC’s interactions, techniques, and relationships, providing a fresh perspective while saluting the original work.Expect some butterfly effects, but nothing that derails the core story!3. Large Harem (With More Depth & Development)Martial Peak already has one of the largest harems in cultivation fiction—we’re expanding on that.4. Smut Content IncludedLet’s not dance around it—explicit content will be featured in this fic.Balanced between romance, cultivation growth, and action, ensuring the story remains engaging beyond just smut.Cultivation-based dual cultivation, yin-yang balance, and ‘special’ training sessions will be explored in a tasteful yet satisfying manner.5. Fast-Paced UpdatesSince we’re not making drastic changes to the story, the pace will be fast and consistent.Updates will focus on the MC’s journey, harem development, and the occasional divergence to deepen character arcs.As long as there’s support and interest, the fic will keep expanding.Final NotesThis is a passionate tribute to Martial Peak, keeping the spirit of the original intact while giving readers a fresh perspective, expanded harem dynamics, and more in-depth character interactions.Are you ready to ascend to the peak once more?Let’s begin.

How can there be any invincibility?

How can there be any Xeon undefeated?

No one in this world can be eternally number one, anyone can be defeated.

including me.

I’ve been waiting for that one person to show up, beat me, tell me that my way is wrong.

It’s a pity that that person hasn’t come yet.

…

False martial arts: strengthen yourself, break the limits of the human body, and resist bullets with flesh and blood.

Real martial arts: use the magnetic field of life to dominate the magnetic field of the stars, use the small universe of the human body to attract the power of the big universe, travel the starry sky, and smash the planet.

- Description from novelbuddy

Octavius, misled by friends, embarks on a quest to clear his father's name, ultimately facing a tragic end with his sister.Their journey results in devastating loss, leaving him powerless and yearning for revenge against those who harmed his family. Spirits offer him a chance to reincarnate, but he refuses, saying;“What’s the point of a new life if I keep running from my problems”The entities are taken aback by his unwavering decision, having never encountered a spirit who refuses to escape their troubled past. They warn him about the evil being that now resides in his old body, but that only motivates him. He believed In the saying - to defeat a monster, you have to be twice as monstrous.Embracing his fate as The Phantom's Gambit, they traverse the shadowy path of retribution, their identities blur, secrets unravel, and the line between savior and monster fades.This is a tale of darkness and redemption, where justice is a blade, and revenge is the only way forward.

Lieutenant Reia a fox girl and a squad leader, comes back from a highly dangerous mission that involved the retrieval of a highly confidential file.Reia looked into the files themselves while on the mission and discovers a blueprint of a generator for a new source of energy that could potentially wipe out the entire world. Upon returning to her quarters she tries to figure out what the military plans to do and how much time they have before they need to leave.However, the military already made their move and sent someone to assassinate Reia and her squad. Reia knowing exactly what they were here for decides to push forward the plan to run away from the military. Killing the general that came to kill them sets off the military to hunt Reia and her squad forcing them to leave.Reia and her squad then attempt to escape but while they are escaping, the middle of the military base began to erupt. Massive cracks formed across the entire military city, and then these cracks began spewing green lava.This green lava had an effect causing everyone that was touched by the lava to turn into a mutant. Half humans became a much bigger version of their animals and humans became an elongated version of themselves. Their bodies would turn into a black oily slime substance and lose all logical thought.Reia and her squad manage to make it to the outer city without being infected but were separated in the process.Now being separated each of the members must survive on their own and find a way to regroup.Reia knew how strong her squad members were and believed they could survive, but now it was her mission to find her members again and find a safe place to survive the apocalypse.