Applied Immortality - Chapter 91: Myriad Arts Sect’s Leader’s Keepsake, Math

Jaden Cross is a young man trying to survive in the shadows of Neo-Lagos, a futuristic city where the poor live in broken homes and forgotten slums. Orphaned at six and forced to grow up fast, Jaden spends his days fixing scraps and dreaming of a better world—a world he believes he’ll never see.Until one night, everything changes.A mysterious glowing orb appears in the sky and connects with Jaden’s mind, activating the Tech Architect System—a powerful, sci-fi interface that gives him access to futuristic blueprints, instant-building tools, and system quests that reward him for solving real-world problems.His first quest? Restore power to his neighborhood using solar microgrids.Soon, Jaden is building cooling shelters, clean energy systems, and AI-run apartments—one project at a time. But with each success, he draws more attention. The city’s leaders want to control him. A rival from the tech underworld wants to steal the system. And darker forces are watching from the skies, waiting for the Architect to grow.Armed with only his mind, his hands, and the Tech Architect System, Jaden must rise from the ruins of poverty and become the builder of a new future.But in a city full of secrets, will he remain its hero… or become its biggest threat?

Instead of causing chaos with my knowledge of the original work, I assisted the protagonist.

I successfully completed the story and now planned to retire and live peacefully.

However, it seems the protagonist still needs my help.

An academy professor? That’s nothing much.

But why is the state of the academy so strange?”

In this fantasy world, music and aether rules all. However, there is constant threat of demons and natural catastrophes. The most powerful men are musicians who use music, alchemy, and spells to safeguard their homes. A young man who just wants to find his father and know why his family was exiled, starts his journey of becoming musician – a journey that leads him to the crown of justice and glory.We are born of aether, grow under aether and die as aether. Awe of Aether! – Holy Code.

Seth Zephyr is the prodigy of the Zephyr Noble Household, who will one day be regarded as the strongest Mage in the entire world.Compared to him, his twin brother Ashfelt Zephyr is completely unimpressive.He is untalented, mediocre at best, and is merely riding on his brother’s coattails as they both manage to get into the Akashic Magus Academy. However, what many don’t know is that Ashfelt is hiding a little secret of his own.… He was reincarnated from Earth into a Fantasy Novel, and now he must see this story to its perfect end if he is ever to return home.How is an Extra supposed to do all of that when he is a completely useless character in a world that cares only about talent and power?It’s simple!“I will use all of my knowledge of this world to the fullest… and make sure you fulfill your destiny, Seth! No matter what!”Tags: Transmigration. Extra. Action. Adventure. Magic. Academy. Antihero. WeaktoStrong. Overpowered. Romance. Superpowers. Strongactingweak. Mystery. BeastTaming.