MTL - Later, He Became a Royal Healer - Chapter 16

Carn wakes up from a vivid dream where he spent a thousand years as a gargoyle, guarding a demon lord's tomb.In this dream, he possessed supernatural powers, including the ability to teleport and instantly kill anyone within range who broke eye contact with him. Heroes, saintesses, adventurers, all fell before him.When he returns to his normal life, things take a strange turn. Carn realizes he still has the gargoyle’s powers, and the world he has woken up to seems different.But adjusting to the new reality is not the real issue. Carn brings back something nobody in this world has imagined. Not only he imports his powers to this alternate Earth, but he also carries over his gargoyle instinct and his hobby. He loves snapping human necks.Whether it's ordinary humans, explorers, super soldiers, cyborgs, mutated beasts, monsters, or mysterious entities from other dimensions, Carn eagerly anticipates snapping their necks, one neck at a time...In secret, of course.

In the year 1469, the Aztec Empire in Central America was at its zenith. A soul from the future transgressed time to come here, intent on saving the fate of the Indian people from destruction and establishing an empire in Central America!The Age of Exploration had just begun its prologue, with European colonizers venturing into the unknown world. Europeans were on the rise, intent on conquering the rich lands of America and colonizing the vast New World. They were poised to embark on an expansion that would take them from America, to Africa, to India, to the Far East, and control the world for the next five hundred years!But now, an immortal spirit sought to change all of that. He would unite Central America under one rule, inherit the two-thousand-year legacy of American civilization, and resist the invasion of Western colonizers. He would spend centuries leading Aztec civilization onto the path of destiny to conquer America!Without the land and wealth of America, what would become of the Westerners? And in which direction would the world turn?

She had a dream: the world was brimming with light. Family. School. Friends. Trains. Buses. Movies. Books. In that world of light, she grew into adulthood… and at the very end, in a white room, she fell into darkness. She awoke from the dream to find that she had become a demon. In the demon world, she lived a carefree life until she encountered a powerful being.

The old man pointed to the flower-like woman and said, “Call her mother from now on.” He then pointed to a flower-bud-like girl and said, “This is your sister.”

My younger sister was not cute.

She was arrogant, taciturn and weird, but she knew how to please our parents.

She was two-faced and deceitful, but it seemed like she only treated me that way.

I cared for her, tried to please her as much as I can, but she still disliked me.

Until one day, I found out her secret, our relationship began to get a little bit weird…

- Description from Novelupdates