For the Glory of Rome: Chronicles of an Isekai'd Legion - Chapter 18: Reporting for Duty

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

She, the prime minister’s daughter, was timid and cowardly. Because her engagement fell through, and her reputation was ruined, she was pressured to spill her own blood in the palace hall! Once again opening her eyes, the cowardice had vanished, replaced by coldness, causing others to be intimidated at first glance. Yet no one realized, she was not her.

Earth has changed and with it so has humanity.Follow Miwen as he makes use of his Gift, Gacha Kingdom Building.

Reborn into a magical world after a life of misery, Kael gains a unique power... The ability to steal the souls of those he kills and, more intriguingly, collect the souls of the most beautiful and sensual women in the world.On his hunting journey, he transforms his body from weak to unbeatable, while building a harem of stunning souls.________________Additional tags: Fantasy - Adventure - Action - Romance - Harem - R18 - No NTR - No Yuri - Weak to Strong - Bloodlines - Evolution