Solo Leveling: Monarch of Knowledge - Chapter 25 - : Awakening

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Civilizations change and the era restarts.

The world returned to the age of steel and steam is full of chaos, madness, twist and evil.

Among them, a group of sorcerers called truth followers have done all their bad things.

They sacrificed to evil gods, besieged the Pope, assassinated the emperor, and even provoked the First World War…

All of this had nothing to do with the transmigrator Melon. When the world was in turmoil, he was the one who squatted aside and watched the show.

Until one day, this group of people came to him and insisted on recognizing him as the leader, and also said that he was the son of destiny. Everything they did before was because they followed his instructions…

- Description from novelbuddy

Corporate slave Reiji went to another world one day, made one rank higher potions, and li~ghtly made a killer profit!

He used that money to open a drug store, and troubled people who heard the rumors came over…

Eyedrops for an elf troubled over his failing bow aim!

Cough syrup for the dragon that unintentionally releases his dragon breath!

Reiji makes medicine for troubled people, enjoying his leisurely slow life in a rural city.