In the World of Sword and Magic as Space Marine - Chapter 99 - 14th Legion Part One

The plague of insects descended overnight. As an ordinary person without invincible powers and extraordinary exercises, facing blood and death, what should we do at the critical moment of life and death?

(I am a reasonable party, but the novel needs appropriate YY, please do not excessively investigate the rationality of the background in a razor-sharp way.)

- Description from novelbuddy

Divine techniques? Heaven’s gifts? Divine Weapon? Special Abilities? Unique Skills? Heavenly Talents?No, I don’t need them because I can create Heavenly Laws!In the boundless expanse of the starry seas, Lin Yuan wielded the extraordinary ‘Gate to the Myriad Realms’, he can transmigrate his consciousness in various world and comprehend any path!Embarking on countless odysseys, Lin Yuan’s relentless quest for strength knew no bounds. Through the cosmic tapestry of diverse worlds, he quietly forged his path, ascending from the depths of mediocrity to an unparalleled force.With each journey, he honed his skills until, at last, he stood as an invincible presence, dominating across all realms. The saga of Lin Yuan is a mesmerizing tale of cosmic ascent and relentless growth.

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

The Saint: “Bro Yi, Can you make me your servant?

Yi Feng: “What? A Saint like you wants to become my servant. Do you have any shame?

The Saint: “My sister is very beautiful”

Yi Feng (His eyes is glowing): Little Saint, you can follow me from now. All right, remember to tell your sister to come!

The King: “Yi Feng! Your bastard, what are you doing?

Yi Feng: My bad! My bad! My king, I just want to stroll in this harem a little bit. Who knows those girls have been following me like that?

- Description from Novelupdates