Later, He Became A Royal Healer - Chapter 137 - End of Main Text.

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

A young man who had longed for stories of good and evil since childhood lost his life in a tragic accident and was reincarnated as a boy named Chrono Mak in another world.

He learned that in this other world, there is magic and witchcraft, and depending on how you train them, you can become as strong as you want to be, so he decided to become the strongest demon king in order to recreate the story of justice and evil he once dreamed of.

“Young man… if you could go back in time, what period would you like to be in?”

While most cultivators were scratching their heads as they pondered how to advance to the next realm, Li Lang was busy systematically studying the mechanics of cultivation.Scientist Langley Seiker has always dreamed about immortality. Reincarnating into a world of cultivation, it is no longer a dream except for the fact that he has no talent. However, through a chance encounter, he gains access to his familiar laboratory that will allow him to study the wonders of cultivation.Not even the heavens will know what fate has in store for Langley as he systematically unravels not only how to cultivate, but also various crafts such as refining pills and inscribing talismans. Preparation is key to surviving in the merciless world of cultivation, especially for those with no talent.Expectations:- Detailed study of each stage of cultivation and crafting- Not technology vs cultivation, scientific method will be used to study cultivation- No harem- Slow burn progression. MC won’t be skipping through cultivation ranks at record speed- Weak to Strong- Sect Building (Much later in the story)