EPIC: Path of Demons and Dragons - Chapter 306: Growing Pains

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Lukas was forced out of high school before he could undergo the Awakening Process. His dreams of starting a new life by becoming an Awakened were shattered.Becoming an Awakened with supernatural powers meant being bestowed with riches and all the resources needed to fight off the invading hordes of demonic beasts.Lukas received the Slaughter System instead. With every kill, he was able to grow stronger and gain new abilities.[Ding!][Congratulations on Host’s first slaughter.][Current Slaughter Points: 1/500][Host Level: 1][Please Select New Ability]Soon, he was able to fighting off demonic beasts invading and move up the ranks.

Yan Wushi had walked a path full of blood and corpses.

He did not believe in the good nature of humanity. Even more so, he did not believe that there could be someone with great kindness and sense of justice, who would be so considerate of others without asking anything in return.

One day, Shen Qiao, who was the sect leader of Mount Xuandu, the number one Daoist sect under the heavens, was challenged to a duel but somehow fell off the cliff.

Yan Wushi happened to pass by down there.

Seeing Shen Qiao who was seriously injured to the point of dying, he suddenly came up with a perfect idea…

After thousands of autumns, who could stay 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