Fang Xin is a high school student with a hidden talent for killing. He can upgrade through killing and devour supernatural powers. After accidentally saving members of the Seventh Division and revealing his strength, he was forcefully invited by Zhuge Heng from the Ninth Division. He entered the youth training camp of Tianshi Academy. While practicing exercises to improve his combat power, he also investigated the truth behind his parents' car accident. He was assassinated by the church for protecting the fragments. During this period, he fought against the remnants of the Eternal Night Army and the church forces, summoned the Exploding Flame Bear and other spiritual beasts, took the mid-term test to crack the spirit-devouring array at the No. 9 God and Demon Relic, and fused the fragments of the divine source to break through to the mid-level fifth level. In the end, Fang Xin inherited his parents' legacy and became a core member of the Ninth Branch.
