The Card Apprentice - Chapter 501 - Wei-ah’s Request

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

Always looked down upon by others, Ji Feng gains technology far more advanced than the present, as he discovers its abilities, he begins to walk a path far from ordinary. With X-ray vision allowing his to find jade stones in rocks. With this futuristic technology, Ji Feng accomplishes something no-one can compare to. This is the beginning of a legend.

- Description from Novelupdates

Luo Jing traveled through, and traveled to the outer door of the Demonic Soul Refining Sect, and became a miscellaneous fish disciple.

There is a powerful senior sister in the door, who has been pestering him. Just when Luo Jing was thinking about whether to “be sensible” and practiced at night, he found that his girlfriend had also crossed over with him, and the two could meet in a dream.

The girlfriend actually traveled to the Immortal Gate of the Right Way and became the direct disciple of the elder of the Immortal Sect.

Shen Qingxuan: Can you stay away from those demon girls?

Luo Jing: I’ve tried my best to stay away from them! It was they who wanted to make me a stove, and I didn’t want to!

This book is also known as “My Husband with a Demon-sucking Female Physique”, “In order to keep my boyfriend, I must practice hard”, “My fairy world can’t be a long-distance relationship”

- Description from novelbuddy

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