Primordial Chaos Dragon Tower: Harem System - Chapter 17: Getting summoned

He’s in the deepest part of Jianghu.

Keep your eyes wide open.

If you do not wish to get dragged into the abyss.

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 was reborn in the 1970s, when there were no mobile phones or TVs, people lived in poverty and marriages were arranged by families. He, the wealthy and powerful head of the regiment, who governed the local army, helped her join the army so that her family would no longer be bullied and could live a good life. And Suddenly, he proposed marraiage to her...

Waking up in the middle of that, she nearly screamed—until she saw him.Her cold, obsessive husband. The man she had spent an entire lifetime running from.In her past life, she trusted the wrong people. She abandoned the man who truly loved her and ended up betrayed, ruined, and dead.This time? Ha! Divorce? Dream on.Since fate gave her another chance, she’d play the game her way. Stay mysterious, act sweet, and turn every schemer against each other.And as for the dangerously obsessed husband?Let’s see who traps who first!