Villain System in a Cultivation World - Chapter 29: Enemy of my Enemy

Summoned after an unfortunate accident in hopes they could protect the world from a coming threat, Ben and his classmates are gifted another chance at life. With fame and fortune promised to whoever is willing to fight for the sake of the world it doesn't seem like a bad deal, there's just one small problem. Ben wasn't blessed with any magic or combat skills, just crafting and enchanting. While the skills themselves aren't useless they also aren't seen as being necessary to the coming war. Now not needed and alone Ben tries to find a place in the world while meeting some of its colourful characters along the way.

Thrown back into the fragile body of her 15 year old self after a near death experience, Nnenna wakes up in a cold and loveless household, an adopted child meant only to keep the true child company.Rejected, ignored, and treated like a shadow, she had once quietly accepted her fate. But this time, things are different.Armed with a mysterious Love System, Nnenna gains the power to turn hate into love, one mission at a time all over the world.From mending broken friendships to healing hearts torn by betrayal, she earns “Good Points” that slowly transform the world around her.Yet, as her actions ripple outward, so do the echoes of her past life. Forgotten secrets resurface, her true origins, her parents' fates, and the shocking truth about those she left behind.Along her journey, two figures emerge from the haze of her past and present, a soul she thought she had lost forever and another who had been by her side all along.Both bring the promise of love, but will either of them earn her heart when she finally learns to love herself?With every mission, Nnenna discovers that love is a powerful force, not just for others but for the girl she’s becoming. But what happens when the cost of love threatens the second chance she’s fought so hard to build?

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

An accident gave Ye Han a magical ability to see through. Since then, his life has become rich and colorful. He has developed the strongest business empire, dominated the gambling world, and rejuvenated his medical skills. He has become a master of medicine and Taoism. The goddesses rushed towards him one after another. As a man, and a limited edition man, Ye Han was under a lot of pressure and had to go on an exploration with a few tomb robbers. However, a shocking secret from ancient times to the present gradually emerged. in front of him!

- Description from novelbuddy