Welch 
Deep Seed [EPUB ebook] 

As soon as he sets foot on the path of cultivating immortals, he embarks on a bloody road. The young man wants to cultivate immortality, but unexpectedly, because he has no innate spiritual roots of the five elements, he can only embark on the path of being a demon cultivator.

In this world where the strong are respected, whether cultivating immortals or cultivating demons, only strong strength can safeguard the justice in the heart and protect her beloved. Just use killing to revere life, and let the demon seed be planted deep in my heart.