One-Click Upgrade: Super Decomposition System - Chapter 450

SMUT & HAREM!Damon was reincarnated into a magical fantasy world with his previous life's memories intact.Damon became the a half Primordial Incubus Demon- Half Divine Dragon and was the son of the Grand Duchess of the Divine Demon Empire.At this moment, Damon obtained the Divine Sign- in system.[ Ding! Congratulations for Signing in the Body Of Chaos ][ Ding! Congratulations for Signing in the Eyes of Oblivion ][ Ding! Congratulations for Signing in the Divine Blood-soaked Sword ]Watch Damon's adventures as in the Mythological World of Austonia as he slays all his enemies on the way to becoming the strongest of them all.( There will be SMUT )

More than ten years later, this sentence gradually spread in Elbaf Continent:

Never use magic to deal with tyrants, because you will find that he will return your spells to you thousands of times after being strengthened by countless magic specialties.

This is the story of a dragon-shaped self-propelled fort that keeps doing things in another world.

There is nothing that one magic can’t fix. If there is, then there are more. ——Izawa

- Description from novelbuddy

Yggdrasil, the World Tree of Norse Mythology, suddenly appeared on Earth. And with it came demonic creatures that ravaged entire cities.Although not all hope is lost, due to the System that a few special humans had gained.In this new world where only the strong survived, Min JaeHyun scrapes by regretting the wrong choices he’d made in the past… when one day, he gains the only Mythic item in the world.How will this item help him? And can he change his wretched fate?