Primordial Sin System - Chapter 40 - Black Dragon Sword

After six failed summonings, Li Pu finally succeeded on his seventh try. But, he had summoned a useless scarecrow.He was about to give up and return home when the summoner’s talent suddenly appeared.“Isn’t this talent a little weird?” he said after a short ponder.[Friend of Demonic Beasts]: You can give demonic beast’s skills to your summoned beast.1. By consuming items related to the beast and crystal coins, you can give one of the beast’s skills to your summoned beast.2. There are 3 types of methods. Learning, fusion, and sacrifice.3. You can only give one skill from each type of beast.“Wait… What if I give the skill of the strongest beast to my scarecrow?”

Logan ends up in a world of familiars, where everyone can make a contract with a familiar to get super power and grow stronger.The first familiar Logan summons is a legendary angel, and it draws a lot of shock and envy.But fate messes with him, because right when Logan is about to make a contract with the angel, the angel looks down on his plain background.“Someone as noble as me—how can I be driven by a low-born bloodline?”After that, she goes over to the noble-born school beauty, leaving the whole crowd full of sneers.Right then, Logan awakens a system, and he can see all a familiar's hidden info and evolve their bloodlines, talents, and skills without limit.“Since it won't listen, I'll switch it out, the next one will be more obedient!”With everyone laughing at him, he just made a contract with a low-level succubus.“A low-level succubus? Once this kind of familiar gets off the bed, its fighting power isn't even as good as a hyena!”“A loser with a succubus—this kid will never have to worry about women anymore, haha!”...Many years later.When demon fire lights up the stars and blood-red wings cover the sky, people finally realize—standing behind Logan are all those ancient, scary beings from myths and legends.

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

At a young age, I became a thousand-year-old bastard.

Ding! Congratulations to the host, you have obtained the phagocytosis synthesis evolution system.

An earth dragon was found in front, devouring synthetic evolution, the earth dragon tortoise.

From then on, my wonderful career began…

- Description from novelbuddy