Esper Harem in the Apocalypse - Chapter 1022 Discovering the Issue.

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Shen Yuan, a normal human who was living his life peacefully on earth died mysteriously, only to get reincarnated into the world of cultivation with an unknown bloodline so powerful that it even surpassed his chest system....“Hmm, looks like becoming an alchemist might be good. System, purchase the Alchemy knowledge.”[Ding!][Congratulations Host, for acquiring Heaven Refining Alchemy Sutra.]...Follow to see the journey of how Shen Yuan creates the strongest harem since the Primordial times to journey the three thousand world.

The path of immortality is nigh unachievable.Furthermore, the immortal world has been completely transformed by a plague!When immortals contact infected mortals, their cultivation bases fall, or worse, they return to the heavens; thus, the immortal and mortal realms have been eternally separated.Moreover, all immortal arts may only have one practitioner; thus, the world of immortality has become a dark forest.…Although Li Fan had grand ambitions when he first transmigrated to this world, he could only be trapped in mediocrity, slowly wasting away his mundane life.Fortunately, as he was dying, he finally awakened a supreme treasure that could turn truth into lie and reality into dream, reversing time to when he first arrived!Following this, Li Fan embarked on his endless path to immortality!In his second life, Li Fan ascended through politics and ruled the world after 50 years, but after searching worldwide, he found no trace of the Immortal Dao. Only at the end of his life could he glimpse the immortal path.In the third life, despite immense efforts and carefully laid schemes, Li Fan ultimately couldn’t resist a single strike of an immortal’s sword!In the fourth life……I, Li Fan, an ordinary mortal, will harbor no regrets throughout a thousand lifetimes, all for the pursuit of immortality!

Two heroes of the game Legend of Heroes 2 who were rotten waters*.