From Idler to Tech Tycoon: Earth - Chapter 83: Evolution

Being a normal man Axel lived a good life till he was murdered. Now he needs to navigate a new world where magic monsters fantastical races and mythical beast are everywhere. Join Axel as he navigates this new world full of wonders and hardship. Will he meet a gruesome end or find a life he can live happily. Oh, did I mention...This book is my second work. It'll have romance, and fighting. It'll have intrigue and vile characters. It will have R-18 scenes and much more. Give it a try.

Outer Sect Disciple Chen Yu, assimilates within his body a fiendgod heart.

The heart, is the backbone of life, the human body’s fatal vital point. And it can be said that Chen Yu’s heart is actually his strongest defense point, and permits him to overtake demonic beasts, or divine beasts unlimited potential.

Henceforth, he steps onto the stage and surges forth on a magnificent scale, in a heart-rending mysterious journey.

Talented as a cloud, an unparalleled supreme talent.

10,000 races glorious, cross boundary battles.

Only my heart, eternal!

- Description from Novelupdates

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

After rebirth, Long Xiaoyuan went into raptures because he was in poor health in his previous life. However, he suddenly found that his soul was in the body of a fatuous and self-indulgent emperor.