Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 487 - 486: Fury at their Lack of Resistance

What happens when a scientist from a futuristic world reincarnates in a World of Magic and Knights? An awesome MC is what happens! A scientist’s goal is to explore the secrets of the universe, and this is exactly what Leylin sets out to do when he is reincarnated. Dark, cold and calculating, he makes use of all his resources as he sets off on his adventures to meet his goal. Face? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now. You want me to help you? Sure… but what benefit can I get out of it? Nothing? Bye. Hmmm… that guy looks like he might cause me problems in the future. Should I let him off for now and let him grow into someone that can threaten me….. Nahhh. *kill*-

Alternative: Leylin is transported from an advanced technological era into a medieval world— except there’s magic. Equipped with “only” his quick wits and an A.I. chip fused to his soul, he sets out to become the most powerful magus the world has ever known. In a land divided into the Light and Dark Magi, the weak can either be cattle or disposable slaves. Only the strong can determine their lives, and only they have the luxury for virtue. Yet strength is only a tool for Leylin, like any other. His goal, in the end, is his own.

Lin Yu crossed into the world of the Demon Slayer and started the mode of rewarding hard work.

Each physical training can bring the increase of its own attributes, and there is no limit to the superposition.

The flesh is sanctified, and the power is supreme.

Fallen Ji looked in fear at the tall man in front of him, whose body was covered in shadows. The machete-like Japanese sword behind the man was bigger than her entire body, and her neck was being stabbed to death by a strong arm. ‘s grasp.

“Unarmed… catch a ghost?”

Yi Wozu couldn’t remember how many times his wounds had healed in the fierce battle, and the corners of his bloodshot eyes were fierce and excited.

“A mere human can actually reach this level, are you a monster?

bring it on!

I would like to call you the strongest. ”

Ghost Dance? Wu Miserable: Trembling…

- Description from novelbuddy

This story is about love, revenge, the quest for power, and the right to exist.After being betrayed by his childhood crush and losing his loved ones to a human raid, Erik, a werewolf, ends up on another planet for seven years before he returns to a vastly changed, post-apocalyptic Earth.Originally a timid, unadventurous man, Erik has become far more dominant and assertive upon his return.Together with him comes his beloved but ruthless soul-bound partner and fairy, Elora, who wants Erik to rule and conquer with her by his side.Elora's presence alone makes Erik more powerful than others at this level, but will he find out what else makes him special?Follow them as they use the knowledge and strength they gained on Söl to navigate an Earth filled with magic, vampires, shapeshifters, and more.Along the way, Erik and Elora will meet a diverse cast of characters, some of whom Erik might have known in the past, and some he did not, but all with their own story and desires.Will Erik be able to take revenge for the betrayals of the past?And what else will he discover along the way?