Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 681 - 680: Immortal Realm Furnace, Supreme Return, Refining the Immortal Realm Again

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Ye Qinghan, young master of the powerful Ye Family, gets ostracized when his peerless father meets an unfortunate end. Lacking strength and in a bid to live a Purposeful life, he suffers through the unending ridicule, bullying and torture dealt to him at each turn. However fate is a cruel mistress and offers only pain and misery with no end in sight. Broken, weak and distraught, Ye Qinghan embarks on a journey to usurp the hands of fate and attain strength to protect his own.

Follow Ye Qinghan on his journey fraught with perilous encounters, betrayals and fortune as he seeks to overturn the heavens, defy fate and grasps his destiny in his arms.

- Description from Novelupdates

Traveling to another Blue Star, Lin Chen awakened the “Catch the tricky reselling system”. You can catch the weird, sell it to the black mine for mining, and exchange for the weird coins.

It’s a pity that there are too few strange things in this peaceful world. In this case, Lin Chen used the method of looking for a needle in a haystack to catch the strange things for more than ten years, but still very little.

Until one day, Lin Chen received a letter from a thriller game…

This time, the purchase life began.

In the ghost restaurant, the foreman, with tears in his eyes, looked at his miserable restaurant.

In the weird school, the students shivered, and the principal lit a cigarette for them. There is also a dungeon deserted village that makes all human players feel terrifying, and eventually became a real deserted village.

I don’t know when, in the world of horror, a peddler named “Uncle Chen” began to spread…

- Description from novelbuddy

A 13-year-old deaf teenager living in the 21st century suddenly found himself as a young boy in Japan during the early 1900s. With two World Wars, two nuclear bombs, Hitler and many other disasters awaiting his future, he thought things couldn't get worse.Except it did.He found out later on that he had actually reincarnated into the world of Demon Slayer where man-eating demons ruled the night. He thought things couldn't get worse.Except it did.But hey! At least he had unparalleled talent, incredibly special eyes and future knowledge.How will the story of Demon Slayer change with the addition of this unique character? Will so many still die if the Hashiras had one more pillar in the final battle?Or will the story end on a much happier note?