As An Immortal, I Only Learn Forbidden Skills - Chapter 1243 -

Amidst a disaster, an orphan contracts a sickness.

I came from hell, looking for redemption! –“Revelation”
…………
What is redemption?
I think it should be a process in which a good person becomes bad and then becomes good again.
It’s like our clean birth, contaminated by the dust of one life, and then clean death.
Well, this is just a story. …

- Description from Uukanshu

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.

A social worker father and his adult daughter crash land on a desert full of crystal plants and little else. The city walls of Ar'Kendrithyst rise in the distance, but as the pair hike closer they see those walls are more like mountains, and the mega-metropolis is long dead. Luckily, the adventuring city of Spur is alive and green and hospitable, and well outside of Ar’Kendrithyst’s shadow.Follow Erick Flatt as he tries to make a nice life with new friends in a new home with his daughter at his side, but this land is rarely as kind as its people, and Erick will need to change if he wants to live the life he wishes to live. What to expect:Slow burn storyline, worldbuilding, father-daughter relationship, Erick is the MC, Jane is the side character, slice of life, numbers in blue boxes but also high fantasy, trying to understand magic, creating new magic, living the easy life but forced into dealing with problems, problems becoming very large, massive changes, traumatizing content, and most of all: character growth.