Martial World (Web Novel) - MW Chapter 2108

[Class changing to the hidden class, Demonic Swordsman.] [You are the first one to discover the hidden dungeon.] [You are the first one to discover the hidden…] [You are the first one…] [You are…] I’m a gamer who uses ESP.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Qin Yi was reborn half a month’s time before the apocalypse. In this life, having already seen the true colors of her scumbag sister and father, she swore to let them have a taste of their own medicine—an eye for an eye. She disguised herself as a man and kept improving, getting stronger day by day. Common people hailed her as «Prince», making countless people bow in homage.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).