Tribulations of Myriad Clans(2021)

Wan Zu Zhi Jie

Su Yu has a secret. For more than ten years, he's been having nightmares of being pursued by murderous monsters. When he became 18, he saw his own father die in battle with those monsters from his dreams. A few years later, he will become the killer of those monsters.

(Source: Tencent, translated)