In Warhammer, My System is Minecraft - Chapter 91: Ultramarines and the Adeptus Custodes

Three years after graduating from Hogwarts, Felix entered the school again, only this time as a professor!

What kind of sparks will come from the combination of Muggle wisdom and magic?

The Revered Master, Yu Yan, known as the number one in the cultivation world, waited for sixteen thousand years, and finally took in a disciple. He taught her carefully, and took care of her diligently. He watched her as she slowly grew stronger as she comprehended the laws, and just as she was about to soar into prominence… she died!

Transmigrated into a world of swords and sorcery, Aaron awakens in the body of a lowly knight apprentice, an outcast born of a slave mother and ignored by his noble father, Baron Alfred. In a realm where steam has yet to meet steel, Aaron carries the knowledge of a more advanced world and a mysterious Map System that reveals everything around him, and rewards him with strength for every enemy he defeats.But Aaron isn’t content with swinging swords. As he carves out his own territory and introduces inventions that shake the foundations of this primitive land, he discovers whispers of a distant continent ruled by wizards. The knight’s path no longer calls to him. Magic, mystery, and power beyond imagination await.Will Aaron remain a forgotten noble, or rise to become a legend in a world that never saw him coming?

When he opened his eyes he found that he had been reborn as an extra in a novel, which he finished reading yesterday. On top of that, he has become a student of the same battle academy, where the main plot will happen. Let's accompany Rio on his journey and find out where it leads us.“i will steal protagonists chances, as for what will happen to main plot if i do so? i don't care!” (Rio)*The book cover doesn't belongs to me if someone wants me to take it down please contact me directly.*(MC is selfish and cares most about himself, rather than following the main story he will follow his own will. and there's no harem too.so, if you like a hero of justice and a plot following type mc with a harem or something then this is not your cup of tea.)