Marvel: Umbrella Corporation - Chapter 89: The Advantage of the Air Force

[Free New Book] The predecessor of the Immortal God reincarnate and reborn in the third year of high school. Based on the many exercises in the memory of previous life, he practiced again from scratch. There are many traces and treasures left by his previous life. To explore, he has to re-enter the peak of the earth!

- Description from Uukanshu

Meloni is just a musician. A normal, charming girl whom everyone loves and admires. But she has a secret; she can manipulate sound.For years, she managed to live with that secret, until everything came crashing down when her resonance was picked up by local organizations.In the midst of all the chaos, whether she should live as an awakened conduit or just a normal person, she ends up rescuing a small black bird.But that bird, is someone the whole world is afraid of.

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Argon got Isekaid to another world, and also got a system that can help him build a dungeon in a cultivation world, where people can get amazing treasures inside.And for our mc to get enough resources for upgrading the dungeon he also needs to kill the people that will enter his dungeon to get soul coins that will help him upgrade the dungeon.In a world where cultivation is the key to power and strength. Argon has the power to create dungeons - underground labyrinths filled with powerful monsters and valuable treasures.Using his unique abilities, Argon creates a dungeon in the heart of an unknown forest, hoping to attract powerful cultivators and increase his own strength. But as his dungeon grows in size and power, the top powerhouses in the world realized the danger of the dungeon, since the dungeon would pour out unknown monsters that will wreak havoc in the world.To survive in this new world, Argon must use all his cunning and strength to navigate the treacherous world of cultivation and defend his dungeon from those who seek to destroy it.