His Witch Queen - Chapter 6: Her Sudden Visit

An old MMORPG called Live Dungeon. Before the service was terminated, Kyotani Tsutomu made full use of 5 notebook PCs to clear the game and was invited to a different world. And then, Tsutomu was speechless when he saw a live relay of a dungeon capture in the different world. They bulldozed through without any thought of strategy. The misfortune of getting the healer position. Tsutomu reinstated the White Mage that had always been his favorite in games and aimed to conquer the dungeon to find the key to his escape from the different world.

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

Lucas Yohan, originally born in a world filled with magic and mana, gets transmigrated for the second time into an advanced interstellar world that blends strange magic and technology in ways he never thought could be possible. Upon awakening, he discovers that his transmigrations were no coincidences and is now in possession of the Crafts-God System, a system dedicated to creating a new successor to the deceased Crafts-God, who is an existence with the ability to create anything and everything. Lucas decides to fulfill the goal of the system and become the new Crafts-God, but he’s faced with an incredulous challenge; he can’t learn magic.