In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 27:

In the kingdom of Veridian, Prince Lucien Damon is known for his charm and charisma. But his kingdom is facing economic ruin, and his father, the king, in an effort to alleviate the economic strain on his kingdom has arranged a marriage between Lucian and Prince Alexander Silver of the neighboring kingdom of Avaloria.In the kingdom of Veridian, Prince Lucien Damon is known for his charm and charisma. But his kingdom is facing economic ruin, and his father, the king, in an effort to alleviate the economic strain on his kingdom has arranged a marriage between Lucian and Prince Alexander Silver of the neighboring kingdom of Avaloria.

A sudden and unprecedented event occurred and took place on Earth.A fissure instantly appeared in the clear blue sky, revealing a void devoid of any light beyond, instantly covering the whole planet, leaving no Life, no Hell, and no Paradise behind...Hence the start of a new chaos and a great beginning of life devoid of any hope began.In this apocalypse and lawless world without any limits set upon its beings, a silent dark wisp took form.A wisp that was bound to become the Horror of All was born...“Wait… I’ve become a Ghost?!”

A world where the [Demon King] was defeated by a [Hero] that came from another world. People carelessly forgot about their fear of the [Demon King] and of monsters, living in peace.

In a forgotten and run-down cave in the mountains, a new monster that should not have been born was given birth.

The monster’s name was the [Black Ooze]. It was nothing exceptional other than its black color, an ordinary slime.

However, this slime had the special characteristic of being able to take the abilities of the living things it swallowed. It preyed on an insect that had paralytic poison, as well as other animals. Following that, it attacked a human, obtaining his knowledge and [Desire].

Before long, the monster established its target as the female mage that came to explore the cave.

This world still wasn’t aware.

When entire star systems begin vanishing without a trace, the shadow agency NEXUS turns to its last resort - Eric Blackmoor, a disgraced ex-agent and multiversal genius buried in guilt, alcohol, and exile. Once hailed as the mind that could solve anything, Eric is now infamous for an invention that annihilated a planet and billions of lives.