Me! The Strongest Alchemist! - Chapter 133 - Unexpected Poor Man!

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates

“ You must level down to the rock bottom of hell”, a demonic voice said when he was summoned to the other side.

Seth Johnson was 16 when he was sacrificed in a cleansing ritual organized by his parent’s cult, to find himself reincarnated and transmigrated to a new world that was already on the brink of extinction.

People were divided by their magic power’s ranking to live in different regions and sat on ascending levels in the sky.

Being born again as Isiah Duncan, the brother of Lucas Duncan the prodigy who brought the apocalypse to this world was confusing to him, he who had no powers to survive, until he was forced to level down instead of leveling up, using the diabolic core of magic instead of the divine one …

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.