I Unlocked Beast Language and Became a Bigshot After My Rebirth! - Chapter 4

Thanks to the Goddess, he was reincarnated into nobility!　That should have been great―― but the skill he got, 【Toxin Decomposition EX】 was simply too plain, and he was made fun of everyday at home……

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Battered, injured, jaded and marvellously wreaked. Luis Lee was one of the powerful ability users during the chaotic time of the apocalypse but that was until he found himself reincarnated in a magical world full of hunks and gorgeously powerful moon elves. At that moment he thought, “Let's live a slow slutty life, (b)itches!”These long-eared hotties needed him for something and the new moon elf lord was determined to do nothing.However, an obnoxious system was added into the mix saying that he is reincarnated in a world of a book.System administrator: This world will usher an Apocalypse after a decade. So enjoy your stay (b)itch.Few days old moon elf lord: Will I ever get a proper rest?A story of a perverted soul who just wanted to get laid starts now.

Lucas is a homeless teenager who had everything taken away from him— his family, his home, his childhood. Even worse, he was born without any abilities in a world where humans with superpowers dominate.

All of that would change when a new dungeon appears before Lucas.

Thinking that it was a sign the gods have given him— that he should just give up and end himself, Lucas enters this dungeon without hesitation while expecting death.

However, inside the dungeon was not the end like Lucas had expected.

Instead, it was the beginning of his life of carnage.

Wielding the power of a «Hero», Lucas begins his journey of vengeance on the world that stole everything from him.