MTL - Godly Alchemist - Chapter 40 Primary treatment

She, a modern hidden ghost leader of an organization which gathered insane prodigies proficient in the various differing skill-sets. Highly skilled in medicine and poison, executes covert assassinations, viewed as insane and demonic in the eyes of people of the world. Killed in an accident, and reborn into the body of a disfigured young girl.

What? Face disfigured, identity stolen? A return to the family dim and hopeless? Her identity can be given up, her family can be forgone, but as for the one who harmed her predecessor who inhabited this same body, if she didn’t at least make them scream in unimaginable agony and throw them into a state of wretchedness, how could she live up to her demonic reputation? Endless turmoil ensues and it’s a battle to dominate over all! See how she shook the world dressed in a suit of red, her sword up against the dominant powers that rocked the Heavens! Her name spread across the seas, shocking the earth!

- Description from Novelupdates

Teotihuacan, a sacred place of worship. In the vast world, feel the quaint and desolate ancient city, and the eagle cries and the leopard roars are chasing away.

Go back to Central America 700 years ago, when the Aztecs were very prosperous.

The priests stood at the top of the pyramid of the sun. One hundred thousand warriors covered the entire wilderness. fluttering. The high priest held his hands high, and the obsidian dagger gleamed in the sun, drawing a cruel and gorgeous arc, bringing the cycle of life back to the earth. Tens of thousands of cheers sounded, with the reverence of the ignorant era.

This was a gift dedicated to the sun god, in return for the sacrifice of the gods in creating the world.

Solemn sacrifices from sunrise to sunset, all-night revelry ignited the whole night, and so on for a hundred years, until white-skinned terrors came from the east coast, bringing blood, thunder, monsters, and disease.

Doomsday, as legend has it, or the end of the Fifth Era?

How can a traveler, in this fierce era, inherit the legacy of two thousand years of ancient Mesoamerican civilization, resist the invasion of Western colonizers with an immortal soul, and lead the ancient Aztec civilization to a new path ~~

- Description from novelbuddy

She, the tribe leader of the Miaojiang witch tribe, was reborn as a pitiful little girl that everyone could bully.

Awakening to a post-apocalyptic world infested with zombies and mutated monsters, Alex makes a startling discovery: he possesses a system that grants him access to unlimited resources every day.【Congratulations, you've received unlimited bottled water.】【Congratulations, you've received unlimited 9mm bullets.】【Congratulations, you've received unlimited cold medicine.】...With each system notification, Alex's chances of survival soar while others struggle to stay alive.As everyone else fights for their lives, Alex finds himself living in luxury, residing in a lavish mansion where he leisurely sips red wine and savors grilled delicacies amidst the chaos of the end times...