From Human to Skeleton: Revived with Infinite System Crystals - Chapter 669 Poised

In the winter of Taikang Year 3, a girl pays a visit to her future in-laws, the Ning Family of Beiliu, Yangcheng.

After her engagement was denied, the girl decided to hang herself in front of the Ning Family to show them her sincerity.

When the girl who had died opened her eyes once more, many people’s fates were changed forever.

- Description from Novelupdates

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

[Fog Apocalypse] [Farming Survival] [Cthulhu Style]When Colin woke up, a gray mist had descended. The only sanctuary was the wooden cabin, where he woke up. To survive, he needed to light candles, push open the door, and look for supplies.[Mutants] [Suffering People] [Sea Monsters] [Fallen Sky] [Ancient Rulers]…Everyone was doing everything they could to gather resources, chop wood, mine, and build to defend against endless, terrifying invasions.In the midst of this never-ending terror and despair, Colin discovered he could receive “hints.”