MTL - Please Start Your Show - Chapter 52 The 52nd Raid Strategy:

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Everyone said that Yi Qing was the number one Sword Cultivator in the world, with a swordsmanship and cultivation that no one could surpass. Whether it was when he was cultivating in the Lower Realm, or when he was in the Ten Heavens of the Upper Realm, he has always been undefeated.

Yi Qing laughed and said: “That is because you do not know of my Master. If we speak of cultivation, I am not as good as she by a long mile. Thinking about it, at the start, out of the ten Heavenly Emperors of the Upper Realm, my Master beat up nine, and the one left was myself.”

“Master? You actually have a Master! Who? How come we never heard of it?”

“My Master is…. Eh? Master? Master! And my Master? Has anyone seen my Master?”

A person next to them quietly raised her paw. “I am here!”

- Description from Novelupdates

In my former life, I dedicated most of my adult life to achieving my goal of exploring the stars. Unfortunately, due to circumstances outside my control, my life abruptly ended leaving my dream unfulfilled. Thanks to the intervention of the Big Guy Upstairs, I was given a chance to achieve my dream though the one who reincarnated me screwed me over. Unlike the futuristic type of world I wanted to start in, I ended up being born in a medieval, magical world as the third son of a regional baron. All I can do now is Dungeon Crawl for ancient technology in the hopes that I find a ship or technology to get me off this damn world!

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.